./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:25:31,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:25:31,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:25:31,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:25:31,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:25:31,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:25:31,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:25:31,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:25:31,432 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:25:31,432 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:25:31,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:25:31,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:25:31,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:25:31,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:25:31,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:25:31,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:25:31,435 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:31,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:25:31,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:25:31,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:25:31,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:25:31,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:25:31,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:25:31,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:25:31,436 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 -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2025-02-06 05:25:31,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:25:31,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:25:31,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:25:31,725 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:25:31,725 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:25:31,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-02-06 05:25:32,931 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f53edc97/293e3059e7454a91bd25be443d7824cd/FLAGaf0646a6a [2025-02-06 05:25:33,461 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:25:33,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-02-06 05:25:33,501 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f53edc97/293e3059e7454a91bd25be443d7824cd/FLAGaf0646a6a [2025-02-06 05:25:34,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f53edc97/293e3059e7454a91bd25be443d7824cd [2025-02-06 05:25:34,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:25:34,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:25:34,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:34,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:25:34,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:25:34,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:34" (1/1) ... [2025-02-06 05:25:34,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c7754e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:34, skipping insertion in model container [2025-02-06 05:25:34,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:34" (1/1) ... [2025-02-06 05:25:34,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:25:34,401 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i[4496,4509] [2025-02-06 05:25:34,413 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_string_eq_byte_buf_harness.i[4556,4569] [2025-02-06 05:25:35,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,588 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:35,773 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:25:35,790 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_string_eq_byte_buf_harness.i[4496,4509] [2025-02-06 05:25:35,791 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_string_eq_byte_buf_harness.i[4556,4569] [2025-02-06 05:25:35,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:35,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:36,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-02-06 05:25:36,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:36,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:36,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-02-06 05:25:36,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:36,281 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:25:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36 WrapperNode [2025-02-06 05:25:36,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:36,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:36,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:25:36,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:25:36,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,466 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-02-06 05:25:36,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:36,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:25:36,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:25:36,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:25:36,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,563 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 16, 20]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 5, 16, 4]. The 494 writes are split as follows [0, 257, 232, 3, 0, 2]. [2025-02-06 05:25:36,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:25:36,679 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:25:36,679 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:25:36,679 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:25:36,681 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (1/1) ... [2025-02-06 05:25:36,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:36,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:25:36,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:25:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:25:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:25:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:25:36,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:25:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:25:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:25:36,743 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:25:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:25:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:25:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:25:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:25:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:25:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 05:25:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:25:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:25:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:25:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:25:37,004 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:25:37,006 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:25:37,038 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:25:37,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:25:37,076 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:25:37,097 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-02-06 05:25:37,157 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-02-06 05:25:37,170 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:25:37,205 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-06 05:25:45,173 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9408: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2025-02-06 05:25:45,174 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 05:25:45,216 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2025-02-06 05:25:45,216 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:25:45,225 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:25:45,225 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:25:45,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:45 BoogieIcfgContainer [2025-02-06 05:25:45,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:25:45,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:25:45,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:25:45,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:25:45,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:25:34" (1/3) ... [2025-02-06 05:25:45,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3486a601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:45, skipping insertion in model container [2025-02-06 05:25:45,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:36" (2/3) ... [2025-02-06 05:25:45,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3486a601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:45, skipping insertion in model container [2025-02-06 05:25:45,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:45" (3/3) ... [2025-02-06 05:25:45,239 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2025-02-06 05:25:45,251 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:25:45,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness.i that has 11 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:25:45,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:25:45,317 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;@1f660813, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:25:45,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:25:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-06 05:25:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 05:25:45,328 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:25:45,329 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 05:25:45,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:25:45,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:25:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1372606289, now seen corresponding path program 1 times [2025-02-06 05:25:45,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:25:45,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206669257] [2025-02-06 05:25:45,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:26:53,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 05:26:54,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 05:26:54,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:26:54,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:26:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-06 05:26:55,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:26:55,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206669257] [2025-02-06 05:26:55,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206669257] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:26:55,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247565826] [2025-02-06 05:26:55,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:26:55,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:26:55,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:26:55,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:26:55,342 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