./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_cursor_from_buf_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 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:10:10,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:10:10,117 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:10:10,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:10:10,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:10:10,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:10:10,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:10:10,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:10:10,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:10:10,137 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:10:10,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:10:10,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:10:10,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:10:10,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:10:10,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:10:10,138 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:10,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:10,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:10,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:10:10,140 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:10:10,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:10:10,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:10:10,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:10:10,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:10:10,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:10:10,141 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 -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2025-01-09 17:10:10,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:10:10,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:10:10,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:10:10,373 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:10:10,373 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:10:10,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-01-09 17:10:11,525 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eec073e/a41bba3b56b24c4485b442a522cd934d/FLAGa9d425709 [2025-01-09 17:10:12,079 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:10:12,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-01-09 17:10:12,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eec073e/a41bba3b56b24c4485b442a522cd934d/FLAGa9d425709 [2025-01-09 17:10:12,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9eec073e/a41bba3b56b24c4485b442a522cd934d [2025-01-09 17:10:12,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:10:12,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:10:12,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:12,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:10:12,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:10:12,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:12" (1/1) ... [2025-01-09 17:10:12,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3acade24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:12, skipping insertion in model container [2025-01-09 17:10:12,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:10:12" (1/1) ... [2025-01-09 17:10:12,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:10:12,371 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_cursor_from_buf_harness.i[4498,4511] [2025-01-09 17:10:12,377 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_cursor_from_buf_harness.i[4558,4571] [2025-01-09 17:10:12,871 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,889 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:12,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:13,392 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:10:13,401 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_cursor_from_buf_harness.i[4498,4511] [2025-01-09 17:10:13,401 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_cursor_from_buf_harness.i[4558,4571] [2025-01-09 17:10:13,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-01-09 17:10:13,577 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:10:13,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-01-09 17:10:13,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:10:13,744 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:10:13,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13 WrapperNode [2025-01-09 17:10:13,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:10:13,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:13,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:10:13,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:10:13,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,858 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-01-09 17:10:13,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:10:13,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:10:13,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:10:13,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:10:13,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,928 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 6, 247, 39, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 11, 8, 2]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2025-01-09 17:10:13,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:13,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:10:13,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:10:13,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:10:13,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:10:13,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (1/1) ... [2025-01-09 17:10:14,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:10:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:10:14,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:10:14,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:10:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:10:14,046 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:10:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:10:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:10:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:10:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:10:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:10:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:10:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:10:14,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-01-09 17:10:14,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:10:14,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:10:14,049 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:10:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:10:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:10:14,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:10:14,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:10:14,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:10:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:10:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:10:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:10:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:10:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:10:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:10:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:10:14,312 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:10:14,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:10:21,515 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-01-09 17:10:21,515 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:10:21,522 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:10:21,522 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:10:21,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:21 BoogieIcfgContainer [2025-01-09 17:10:21,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:10:21,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:10:21,524 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:10:21,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:10:21,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:10:12" (1/3) ... [2025-01-09 17:10:21,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146cbe13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:21, skipping insertion in model container [2025-01-09 17:10:21,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:10:13" (2/3) ... [2025-01-09 17:10:21,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146cbe13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:10:21, skipping insertion in model container [2025-01-09 17:10:21,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:10:21" (3/3) ... [2025-01-09 17:10:21,529 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2025-01-09 17:10:21,538 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:10:21,539 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:10:21,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:10:21,599 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;@39b57cb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:10:21,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:10:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 17:10:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-09 17:10:21,609 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:10:21,610 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-09 17:10:21,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:10:21,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:10:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2025-01-09 17:10:21,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:10:21,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281923251] [2025-01-09 17:10:21,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:10:21,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:11:29,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-09 17:11:30,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-09 17:11:30,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:11:30,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:11:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-09 17:11:32,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:11:32,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281923251] [2025-01-09 17:11:32,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281923251] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:11:32,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499273723] [2025-01-09 17:11:32,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:11:32,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:11:32,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:11:32,610 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 17:11:32,615 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