./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.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_byte_buf_write_be16_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 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:36:24,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:36:24,449 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:36:24,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:36:24,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:36:24,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:36:24,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:36:24,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:36:24,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:36:24,478 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:36:24,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:36:24,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:36:24,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:36:24,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:36:24,479 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:36:24,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:36:24,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:36:24,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:36:24,480 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:36:24,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:24,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:36:24,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:36:24,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:36:24,482 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:36:24,482 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:36:24,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:36:24,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:36:24,482 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 -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2025-02-08 01:36:24,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:36:24,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:36:24,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:36:24,720 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:36:24,720 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:36:24,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-02-08 01:36:25,871 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6c55a7b2/5483ade5300c468abbd2ee35301fe7b8/FLAG28ac4fc40 [2025-02-08 01:36:26,311 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:36:26,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-02-08 01:36:26,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6c55a7b2/5483ade5300c468abbd2ee35301fe7b8/FLAG28ac4fc40 [2025-02-08 01:36:26,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6c55a7b2/5483ade5300c468abbd2ee35301fe7b8 [2025-02-08 01:36:26,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:36:26,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:36:26,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:26,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:36:26,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:36:26,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:26" (1/1) ... [2025-02-08 01:36:26,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc63a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:26, skipping insertion in model container [2025-02-08 01:36:26,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:26" (1/1) ... [2025-02-08 01:36:26,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:36:26,734 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_byte_buf_write_be16_harness.i[4497,4510] [2025-02-08 01:36:26,741 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_byte_buf_write_be16_harness.i[4557,4570] [2025-02-08 01:36:27,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,253 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:27,772 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:36:27,785 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_byte_buf_write_be16_harness.i[4497,4510] [2025-02-08 01:36:27,785 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_byte_buf_write_be16_harness.i[4557,4570] [2025-02-08 01:36:27,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-08 01:36:27,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-08 01:36:27,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:28,103 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:36:28,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28 WrapperNode [2025-02-08 01:36:28,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:28,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:28,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:36:28,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:36:28,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,214 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-02-08 01:36:28,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:28,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:36:28,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:36:28,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:36:28,224 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,282 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 47, 257, 238, 4, 8, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 0, 5, 0]. The 497 writes are split as follows [0, 3, 257, 232, 2, 1, 2]. [2025-02-08 01:36:28,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:36:28,342 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:36:28,342 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:36:28,343 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:36:28,343 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:28,372 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 01:36:28,376 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 01:36:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:36:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:36:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:36:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:36:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:36:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:36:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:36:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:36:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:36:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:36:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:36:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:36:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:36:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:36:28,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:36:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:36:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:36:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:36:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:36:28,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:36:28,647 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:36:28,648 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:36:28,700 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:36:28,837 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-08 01:36:28,850 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:36:28,858 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#5(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#6(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#6(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#6(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8584: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2025-02-08 01:36:35,703 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:36:35,763 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2025-02-08 01:36:35,763 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:36:35,771 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:36:35,773 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:36:35,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:35 BoogieIcfgContainer [2025-02-08 01:36:35,774 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:36:35,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:36:35,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:36:35,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:36:35,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:36:26" (1/3) ... [2025-02-08 01:36:35,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9393ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:35, skipping insertion in model container [2025-02-08 01:36:35,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (2/3) ... [2025-02-08 01:36:35,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9393ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:35, skipping insertion in model container [2025-02-08 01:36:35,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:35" (3/3) ... [2025-02-08 01:36:35,780 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2025-02-08 01:36:35,789 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:36:35,790 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness.i that has 11 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:36:35,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:36:35,836 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;@3324ad63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:36:35,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:36:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 79 states have (on average 1.240506329113924) internal successors, (98), 82 states have internal predecessors, (98), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 01:36:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 01:36:35,848 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:36:35,849 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:36:35,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:36:35,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:36:35,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1302028043, now seen corresponding path program 1 times [2025-02-08 01:36:35,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:36:35,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438204469] [2025-02-08 01:36:35,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:35,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:44,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 01:37:44,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 01:37:44,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:44,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-08 01:37:45,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:45,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438204469] [2025-02-08 01:37:45,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438204469] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:45,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872675750] [2025-02-08 01:37:45,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:45,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:45,463 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 01:37:45,465 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