./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_byte_buf_append_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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:54:18,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:54:18,235 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:54:18,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:54:18,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:54:18,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:54:18,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:54:18,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:54:18,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:54:18,266 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:54:18,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:54:18,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:54:18,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:54:18,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:54:18,267 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:54:18,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:54:18,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:54:18,268 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:54:18,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:54:18,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:18,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:54:18,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:54:18,269 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:54:18,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:54:18,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:54:18,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:54:18,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:54:18,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:54:18,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:54:18,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:54:18,270 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 -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2025-02-06 04:54:18,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:54:18,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:54:18,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:54:18,542 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:54:18,542 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:54:18,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-02-06 04:54:19,699 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b3197bea/1c29b9c2909b420cab56ff44e7b9dabf/FLAG5a36e8b1e [2025-02-06 04:54:20,146 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:54:20,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-02-06 04:54:20,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b3197bea/1c29b9c2909b420cab56ff44e7b9dabf/FLAG5a36e8b1e [2025-02-06 04:54:20,279 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b3197bea/1c29b9c2909b420cab56ff44e7b9dabf [2025-02-06 04:54:20,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:54:20,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:54:20,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:20,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:54:20,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:54:20,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:20" (1/1) ... [2025-02-06 04:54:20,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff4a401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:20, skipping insertion in model container [2025-02-06 04:54:20,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:20" (1/1) ... [2025-02-06 04:54:20,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:54:20,608 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_append_harness.i[4493,4506] [2025-02-06 04:54:20,619 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_append_harness.i[4553,4566] [2025-02-06 04:54:21,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,465 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,466 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:21,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:22,019 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:54:22,028 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_append_harness.i[4493,4506] [2025-02-06 04:54:22,029 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_append_harness.i[4553,4566] [2025-02-06 04:54:22,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,054 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,063 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,064 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 04:54:22,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:22,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 04:54:22,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:22,342 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:54:22,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22 WrapperNode [2025-02-06 04:54:22,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:22,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:22,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:54:22,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:54:22,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,493 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-02-06 04:54:22,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:22,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:54:22,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:54:22,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:54:22,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,515 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,567 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 9, 22, 33, 4, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 2, 4, 2, 5]. The 494 writes are split as follows [257, 0, 232, 0, 1, 3, 0, 1]. [2025-02-06 04:54:22,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:54:22,620 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:54:22,620 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:54:22,620 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:54:22,625 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (1/1) ... [2025-02-06 04:54:22,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:54:22,654 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 04:54:22,656 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 04:54:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:54:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:54:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:22,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:54:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:54:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-02-06 04:54:22,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:54:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 04:54:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:54:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:54:22,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 04:54:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:54:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:54:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:54:22,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:54:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:54:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:54:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:54:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-02-06 04:54:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:54:22,681 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:54:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:54:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:54:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 04:54:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 04:54:22,928 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:54:22,931 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:54:22,964 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:54:22,966 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:54:23,052 INFO L1309 $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; [2025-02-06 04:54:23,071 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:54:23,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7409: havoc #t~mem697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~mem701;havoc #t~mem702.base, #t~mem702.offset;havoc #t~short703;havoc #t~short704;havoc #t~short705;havoc #t~short706; [2025-02-06 04:54:23,124 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7909: havoc #t~ret876; [2025-02-06 04:54:23,149 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 04:54:29,653 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-06 04:54:29,653 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:54:29,719 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-02-06 04:54:29,720 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:54:29,732 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:54:29,732 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:54:29,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:29 BoogieIcfgContainer [2025-02-06 04:54:29,733 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:54:29,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:54:29,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:54:29,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:54:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:54:20" (1/3) ... [2025-02-06 04:54:29,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a099dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:29, skipping insertion in model container [2025-02-06 04:54:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:22" (2/3) ... [2025-02-06 04:54:29,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a099dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:29, skipping insertion in model container [2025-02-06 04:54:29,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:29" (3/3) ... [2025-02-06 04:54:29,742 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2025-02-06 04:54:29,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:54:29,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 169 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:54:29,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:54:29,808 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;@539f40fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:54:29,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:54:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 04:54:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 04:54:29,822 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:54:29,822 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 04:54:29,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:54:29,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:54:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash -419054029, now seen corresponding path program 1 times [2025-02-06 04:54:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:54:29,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188458135] [2025-02-06 04:54:29,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:54:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:55:36,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 04:55:37,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 04:55:37,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:55:37,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:55:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-06 04:55:38,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:55:38,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188458135] [2025-02-06 04:55:38,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188458135] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:55:38,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476813423] [2025-02-06 04:55:38,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:55:38,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:55:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:38,046 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 04:55:38,047 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