./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:45:30,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:45:30,382 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:45:30,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:45:30,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:45:30,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:45:30,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:45:30,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:45:30,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:45:30,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:45:30,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:45:30,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:45:30,407 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:30,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:45:30,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:45:30,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:45:30,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:45:30,410 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:45:30,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:45:30,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:45:30,410 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/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 -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2025-03-04 02:45:30,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:45:30,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:45:30,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:45:30,642 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:45:30,642 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:45:30,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-04 02:45:31,818 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e01859e/264182c323384da09d94f498964e6681/FLAGd2d4cdbbf [2025-03-04 02:45:32,370 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:45:32,371 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-04 02:45:32,406 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e01859e/264182c323384da09d94f498964e6681/FLAGd2d4cdbbf [2025-03-04 02:45:32,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25e01859e/264182c323384da09d94f498964e6681 [2025-03-04 02:45:32,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:45:32,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:45:32,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:32,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:45:32,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:45:32,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@445f2ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32, skipping insertion in model container [2025-03-04 02:45:32,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:45:33,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-04 02:45:33,160 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-04 02:45:33,738 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,739 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:33,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:34,275 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:45:34,289 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-04 02:45:34,290 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-04 02:45:34,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,472 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-04 02:45:34,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:34,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-04 02:45:34,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:34,660 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:45:34,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34 WrapperNode [2025-03-04 02:45:34,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:34,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:34,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:45:34,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:45:34,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,782 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2025-03-04 02:45:34,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:34,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:45:34,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:45:34,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:45:34,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,860 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [22, 2, 257, 9, 238, 38, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 2, 0, 5, 6, 8, 0]. The 494 writes are split as follows [1, 0, 257, 0, 232, 2, 2]. [2025-03-04 02:45:34,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:45:34,944 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:45:34,944 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:45:34,944 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:45:34,945 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (1/1) ... [2025-03-04 02:45:34,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:45:34,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:45:34,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:45:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:45:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:45:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:45:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:45:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:45:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 02:45:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:45:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:45:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:45:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:45:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:45:35,228 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:45:35,231 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:45:35,262 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:45:35,295 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:45:35,312 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:45:35,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-04 02:45:35,369 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-03-04 02:45:35,381 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:45:35,412 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-04 02:45:41,971 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-04 02:45:41,971 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:45:42,021 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2025-03-04 02:45:42,021 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:45:42,029 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:45:42,029 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:45:42,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:42 BoogieIcfgContainer [2025-03-04 02:45:42,029 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:45:42,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:45:42,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:45:42,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:45:42,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:45:32" (1/3) ... [2025-03-04 02:45:42,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b9e1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:42, skipping insertion in model container [2025-03-04 02:45:42,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:34" (2/3) ... [2025-03-04 02:45:42,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b9e1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:42, skipping insertion in model container [2025-03-04 02:45:42,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:42" (3/3) ... [2025-03-04 02:45:42,036 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2025-03-04 02:45:42,047 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:45:42,049 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_byte_buf_harness.i that has 12 procedures, 161 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:45:42,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:45:42,091 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;@6ddb2dcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:45:42,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:45:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-04 02:45:42,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 02:45:42,104 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:45:42,104 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:45:42,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:45:42,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:45:42,109 INFO L85 PathProgramCache]: Analyzing trace with hash 450293066, now seen corresponding path program 1 times [2025-03-04 02:45:42,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:45:42,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115870720] [2025-03-04 02:45:42,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:45:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:46:44,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 02:46:45,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 02:46:45,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:46:45,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:46:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-03-04 02:46:45,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:46:45,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115870720] [2025-03-04 02:46:45,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115870720] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:46:45,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470835894] [2025-03-04 02:46:45,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:46:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:46:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:46:45,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:46:45,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process