./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-e2fb8be-m [2025-03-08 18:03:36,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:03:36,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:03:36,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:03:36,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:03:36,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:03:36,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:03:36,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:03:36,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:03:36,562 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:03:36,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:03:36,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:03:36,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:03:36,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:03:36,563 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:03:36,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:03:36,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:03:36,563 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:03:36,564 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:03:36,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:03:36,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:03:36,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:03:36,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:03:36,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:03:36,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:03:36,566 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/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 [2025-03-08 18:03:37,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:03:37,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:03:37,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:03:37,046 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:03:37,046 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:03:37,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2025-03-08 18:03:37,902 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f4c9c3a/99743a6d894c49cda9044b60653f9bb2/FLAGae8817863 [2025-03-08 18:03:40,327 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:03:40,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i [2025-03-08 18:03:40,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f4c9c3a/99743a6d894c49cda9044b60653f9bb2/FLAGae8817863 [2025-03-08 18:03:40,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f4c9c3a/99743a6d894c49cda9044b60653f9bb2 [2025-03-08 18:03:40,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:03:40,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:03:40,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:03:40,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:03:40,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:03:40,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:03:40" (1/1) ... [2025-03-08 18:03:40,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d30aa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:40, skipping insertion in model container [2025-03-08 18:03:40,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:03:40" (1/1) ... [2025-03-08 18:03:40,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:03:41,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2025-03-08 18:03:41,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2025-03-08 18:03:43,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,242 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:43,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:44,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:44,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,413 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:03:45,601 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:03:45,623 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4501,4514] [2025-03-08 18:03:45,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness_negated.i[4561,4574] [2025-03-08 18:03:45,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,702 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,707 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,708 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2025-03-08 18:03:45,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,935 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,935 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,955 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:03:45,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:03:46,371 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:03:46,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46 WrapperNode [2025-03-08 18:03:46,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:03:46,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:03:46,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:03:46,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:03:46,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,607 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 402 [2025-03-08 18:03:46,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:03:46,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:03:46,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:03:46,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:03:46,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,646 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 257, 13, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 257, 3, 0]. [2025-03-08 18:03:46,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:03:46,686 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:03:46,686 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:03:46,686 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:03:46,687 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (1/1) ... [2025-03-08 18:03:46,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:03:46,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:03:46,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:03:46,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:03:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:03:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:03:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:03:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-08 18:03:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:03:46,760 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:03:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:03:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:03:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:03:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:03:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:03:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:03:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 18:03:46,762 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:03:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:03:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:03:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2025-03-08 18:03:46,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:03:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:03:47,019 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:03:47,021 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:03:47,060 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: havoc #t~malloc562.base, #t~malloc562.offset; [2025-03-08 18:03:47,072 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:03:47,106 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6245: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:03:47,108 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:03:47,147 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6804: havoc #t~ret548#1.base, #t~ret548#1.offset; [2025-03-08 18:03:47,160 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7673: havoc #t~nondet820; [2025-03-08 18:03:53,300 INFO L1307 $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; [2025-03-08 18:03:53,301 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10776-1: assume false; [2025-03-08 18:03:53,301 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10776-1: assume !false; [2025-03-08 18:03:53,391 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2025-03-08 18:03:53,391 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:03:53,399 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:03:53,399 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:03:53,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:03:53 BoogieIcfgContainer [2025-03-08 18:03:53,400 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:03:53,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:03:53,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:03:53,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:03:53,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:03:40" (1/3) ... [2025-03-08 18:03:53,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fa67a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:03:53, skipping insertion in model container [2025-03-08 18:03:53,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:03:46" (2/3) ... [2025-03-08 18:03:53,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fa67a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:03:53, skipping insertion in model container [2025-03-08 18:03:53,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:03:53" (3/3) ... [2025-03-08 18:03:53,406 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness_negated.i [2025-03-08 18:03:53,416 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:03:53,417 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_callback_string_eq_harness_negated.i that has 11 procedures, 110 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 18:03:53,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:03:53,504 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;@186085d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:03:53,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:03:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 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) [2025-03-08 18:03:53,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-08 18:03:53,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:03:53,531 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, 1, 1] [2025-03-08 18:03:53,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:03:53,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:03:53,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1759394752, now seen corresponding path program 1 times [2025-03-08 18:03:53,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:03:53,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770388514] [2025-03-08 18:03:53,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:03:53,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:04:40,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 18:04:41,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 18:04:41,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:41,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-08 18:04:42,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:04:42,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770388514] [2025-03-08 18:04:42,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770388514] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:04:42,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225836721] [2025-03-08 18:04:42,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:42,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:04:42,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:04:42,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:04:42,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process