./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 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_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-?-551b009-m [2025-01-09 16:59:15,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:59:15,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:59:15,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:59:15,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:59:15,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:59:15,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:59:15,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:59:15,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:59:15,427 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:59:15,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:59:15,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:59:15,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:59:15,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:59:15,429 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:15,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:15,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:15,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:59:15,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:59:15,430 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 [2025-01-09 16:59:15,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:59:15,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:59:15,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:59:15,677 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:59:15,677 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:59:15,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-01-09 16:59:16,792 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf592fbbd/3e828ba2b0ad4ff4b63203f1b86efec3/FLAGf3027fec0 [2025-01-09 16:59:17,307 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:59:17,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-01-09 16:59:17,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf592fbbd/3e828ba2b0ad4ff4b63203f1b86efec3/FLAGf3027fec0 [2025-01-09 16:59:17,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf592fbbd/3e828ba2b0ad4ff4b63203f1b86efec3 [2025-01-09 16:59:17,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:59:17,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:59:17,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:17,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:59:17,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:59:17,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69223faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:17, skipping insertion in model container [2025-01-09 16:59:17,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:17" (1/1) ... [2025-01-09 16:59:17,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:59:17,613 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] [2025-01-09 16:59:17,621 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] [2025-01-09 16:59:18,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,066 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,473 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:18,587 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:59:18,602 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] [2025-01-09 16:59:18,602 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] [2025-01-09 16:59:18,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,636 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,638 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 16:59:18,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,776 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 16:59:18,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:18,960 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:59:18,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18 WrapperNode [2025-01-09 16:59:18,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:18,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:18,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:59:18,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:59:18,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,059 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-01-09 16:59:19,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:19,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:59:19,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:59:19,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:59:19,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,124 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 22, 9, 9, 33, 4]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 2, 4, 5, 4, 2]. The 494 writes are split as follows [257, 0, 232, 1, 0, 1, 3, 0]. [2025-01-09 16:59:19,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,178 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:59:19,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:59:19,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:59:19,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:59:19,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (1/1) ... [2025-01-09 16:59:19,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:19,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:59:19,215 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 16:59:19,218 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 16:59:19,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 16:59:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:59:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-01-09 16:59:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:59:19,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:59:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:59:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:59:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:59:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 16:59:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 16:59:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:59:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:59:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:59:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:59:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 16:59:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:59:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:59:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:59:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-01-09 16:59:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 16:59:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 16:59:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:59:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:59:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:59:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:59:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:59:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:59:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 16:59:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 16:59:19,497 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:59:19,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:59:26,817 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-01-09 16:59:26,817 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:59:26,827 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:59:26,827 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 16:59:26,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:26 BoogieIcfgContainer [2025-01-09 16:59:26,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:59:26,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:59:26,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:59:26,831 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:59:26,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:59:17" (1/3) ... [2025-01-09 16:59:26,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393a9256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:26, skipping insertion in model container [2025-01-09 16:59:26,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:18" (2/3) ... [2025-01-09 16:59:26,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393a9256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:26, skipping insertion in model container [2025-01-09 16:59:26,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:26" (3/3) ... [2025-01-09 16:59:26,834 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2025-01-09 16:59:26,844 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:59:26,845 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 168 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:59:26,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:59:26,894 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;@2efa6968, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:59:26,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:59:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 105 states have (on average 1.2095238095238094) internal successors, (127), 106 states have internal predecessors, (127), 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) [2025-01-09 16:59:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-09 16:59:26,906 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:59:26,906 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] [2025-01-09 16:59:26,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:59:26,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:59:26,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2046791485, now seen corresponding path program 1 times [2025-01-09 16:59:26,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:59:26,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556094675] [2025-01-09 16:59:26,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:59:26,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:00:31,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-09 17:00:32,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-09 17:00:32,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:00:32,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:00:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-09 17:00:32,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:00:32,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556094675] [2025-01-09 17:00:32,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556094675] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:00:32,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534191225] [2025-01-09 17:00:32,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:32,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:00:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:32,716 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 17:00:32,718 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