./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 551b0097 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-?-551b009-m [2025-01-09 17:04:42,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:04:42,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:04:42,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:04:42,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:04:42,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:04:42,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:04:42,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:04:42,439 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:04:42,439 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:04:42,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:04:42,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:04:42,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:04:42,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:04:42,440 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:04:42,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:04:42,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:04:42,441 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:04:42,441 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:42,442 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:04:42,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:42,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:04:42,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:04:42,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:04:42,444 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 [2025-01-09 17:04:42,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:04:42,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:04:42,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:04:42,675 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:04:42,675 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:04:42,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-01-09 17:04:43,840 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c035ec2c/26d04998ea0d4467ac09a6633928cd54/FLAGd063e7ea7 [2025-01-09 17:04:44,351 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:04:44,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-01-09 17:04:44,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c035ec2c/26d04998ea0d4467ac09a6633928cd54/FLAGd063e7ea7 [2025-01-09 17:04:44,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8c035ec2c/26d04998ea0d4467ac09a6633928cd54 [2025-01-09 17:04:44,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:04:44,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:04:44,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:44,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:04:44,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:04:44,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:44" (1/1) ... [2025-01-09 17:04:44,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b28366c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:44, skipping insertion in model container [2025-01-09 17:04:44,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:04:44" (1/1) ... [2025-01-09 17:04:44,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:04:44,676 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] [2025-01-09 17:04:44,682 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] [2025-01-09 17:04:45,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:45,739 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:04:45,755 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] [2025-01-09 17:04:45,755 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] [2025-01-09 17:04:45,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,792 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 17:04:45,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:04:45,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 17:04:45,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:04:46,066 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:04:46,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46 WrapperNode [2025-01-09 17:04:46,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:04:46,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:46,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:04:46,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:04:46,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,155 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-01-09 17:04:46,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:04:46,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:04:46,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:04:46,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:04:46,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,244 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 6, 8, 47, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 8, 0]. The 497 writes are split as follows [0, 257, 232, 2, 1, 3, 2]. [2025-01-09 17:04:46,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,273 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:04:46,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:04:46,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:04:46,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:04:46,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (1/1) ... [2025-01-09 17:04:46,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:04:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:04:46,337 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) [2025-01-09 17:04:46,341 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 [2025-01-09 17:04:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:04:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:04:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:04:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:04:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:04:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:04:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:04:46,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:04:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:04:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:04:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:04:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:04:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:04:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:04:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:04:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:04:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:04:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-01-09 17:04:46,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:04:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:04:46,365 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:04:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:04:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:04:46,591 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:04:46,593 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:04:53,805 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2025-01-09 17:04:53,806 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:04:53,816 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:04:53,816 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:04:53,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:53 BoogieIcfgContainer [2025-01-09 17:04:53,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:04:53,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:04:53,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:04:53,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:04:53,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:04:44" (1/3) ... [2025-01-09 17:04:53,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678d31b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:53, skipping insertion in model container [2025-01-09 17:04:53,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:04:46" (2/3) ... [2025-01-09 17:04:53,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678d31b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:04:53, skipping insertion in model container [2025-01-09 17:04:53,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:04:53" (3/3) ... [2025-01-09 17:04:53,822 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2025-01-09 17:04:53,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:04:53,832 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness.i that has 11 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 17:04:53,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:04:53,878 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;@4b4cb295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:04:53,878 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:04:53,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 85 states have (on average 1.223529411764706) internal successors, (104), 86 states have internal predecessors, (104), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-01-09 17:04:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-09 17:04:53,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:04:53,887 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, 1, 1] [2025-01-09 17:04:53,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:04:53,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:04:53,890 INFO L85 PathProgramCache]: Analyzing trace with hash -646711101, now seen corresponding path program 1 times [2025-01-09 17:04:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:04:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81226940] [2025-01-09 17:04:53,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:04:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:06:01,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-09 17:06:02,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-09 17:06:02,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:06:02,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:06:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 17:06:02,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:06:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81226940] [2025-01-09 17:06:02,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81226940] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:06:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566071408] [2025-01-09 17:06:02,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:06:02,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:06:02,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:06:02,791 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) [2025-01-09 17:06:02,793 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