./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 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_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-?-48c9605-m [2025-02-08 01:30:59,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:30:59,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:30:59,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:30:59,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:30:59,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:30:59,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:30:59,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:30:59,939 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:30:59,939 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:30:59,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:30:59,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:30:59,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:30:59,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:30:59,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:30:59,941 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:30:59,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:30:59,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:30:59,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:30:59,942 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 [2025-02-08 01:31:00,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:31:00,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:31:00,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:31:00,211 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:31:00,212 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:31:00,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-02-08 01:31:01,428 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12d49ce25/ce9c1a9e7a214d10b0c011eb66e8ded3/FLAGd562163d1 [2025-02-08 01:31:01,929 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:31:01,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-02-08 01:31:01,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12d49ce25/ce9c1a9e7a214d10b0c011eb66e8ded3/FLAGd562163d1 [2025-02-08 01:31:01,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12d49ce25/ce9c1a9e7a214d10b0c011eb66e8ded3 [2025-02-08 01:31:02,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:31:02,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:31:02,004 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:31:02,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:31:02,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:31:02,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:31:01" (1/1) ... [2025-02-08 01:31:02,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50235e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:02, skipping insertion in model container [2025-02-08 01:31:02,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:31:01" (1/1) ... [2025-02-08 01:31:02,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:31:02,312 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] [2025-02-08 01:31:02,320 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] [2025-02-08 01:31:03,356 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:31:03,893 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:31:03,901 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] [2025-02-08 01:31:03,901 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] [2025-02-08 01:31:03,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,928 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:03,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:04,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-08 01:31:04,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:04,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:31:04,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-08 01:31:04,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:31:04,254 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:31:04,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04 WrapperNode [2025-02-08 01:31:04,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:31:04,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:31:04,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:31:04,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:31:04,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,414 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-02-08 01:31:04,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:31:04,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:31:04,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:31:04,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:31:04,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,493 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [9, 2, 257, 238, 9, 33, 4, 22]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [4, 2, 0, 6, 5, 4, 2, 2]. The 494 writes are split as follows [0, 0, 257, 232, 1, 3, 0, 1]. [2025-02-08 01:31:04,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:31:04,540 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:31:04,543 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:31:04,543 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:31:04,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (1/1) ... [2025-02-08 01:31:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:31:04,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:31:04,574 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 01:31:04,579 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 01:31:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:31:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:31:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:31:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:31:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-02-08 01:31:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:31:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:31:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:31:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:31:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:31:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:31:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:31:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:31:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:31:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:31:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:31:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:31:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-02-08 01:31:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:31:04,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:31:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:31:04,846 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:31:04,847 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:31:04,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:31:04,900 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:31:04,980 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 01:31:04,991 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:31:05,020 INFO L1324 $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; [2025-02-08 01:31:05,055 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7909: havoc #t~ret876; [2025-02-08 01:31:05,062 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:31:11,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-08 01:31:11,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:31:11,963 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-02-08 01:31:11,964 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:31:11,976 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:31:11,976 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:31:11,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:31:11 BoogieIcfgContainer [2025-02-08 01:31:11,977 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:31:11,979 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:31:11,979 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:31:11,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:31:11,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:31:01" (1/3) ... [2025-02-08 01:31:11,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3ae5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:31:11, skipping insertion in model container [2025-02-08 01:31:11,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:31:04" (2/3) ... [2025-02-08 01:31:11,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3ae5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:31:11, skipping insertion in model container [2025-02-08 01:31:11,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:31:11" (3/3) ... [2025-02-08 01:31:11,984 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2025-02-08 01:31:11,995 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:31:11,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 163 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:31:12,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:31:12,049 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;@6e100e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:31:12,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:31:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 100 states have (on average 1.22) internal successors, (122), 101 states have internal predecessors, (122), 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) [2025-02-08 01:31:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 01:31:12,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:31:12,060 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] [2025-02-08 01:31:12,062 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:31:12,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:31:12,068 INFO L85 PathProgramCache]: Analyzing trace with hash -361234931, now seen corresponding path program 1 times [2025-02-08 01:31:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:31:12,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713093756] [2025-02-08 01:31:12,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:31:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:32:18,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 01:32:18,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 01:32:18,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:32:18,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:32:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-08 01:32:19,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:32:19,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713093756] [2025-02-08 01:32:19,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713093756] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:32:19,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546861808] [2025-02-08 01:32:19,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:19,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:32:19,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:19,609 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 01:32:19,610 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