./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_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 f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:05:20,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:05:20,320 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:05:20,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:05:20,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:05:20,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:05:20,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:05:20,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:05:20,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:05:20,347 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:05:20,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:05:20,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:05:20,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:05:20,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:05:20,348 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:05:20,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:05:20,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:05:20,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:05:20,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:05:20,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:05:20,350 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:05:20,350 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:05:20,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:05:20,350 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 -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2025-03-17 07:05:20,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:05:20,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:05:20,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:05:20,606 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:05:20,607 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:05:20,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-17 07:05:21,803 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3eb3405/8f8487ed621c48e6852c55828b929c6b/FLAG18729f961 [2025-03-17 07:05:22,339 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:05:22,340 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-17 07:05:22,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3eb3405/8f8487ed621c48e6852c55828b929c6b/FLAG18729f961 [2025-03-17 07:05:22,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3eb3405/8f8487ed621c48e6852c55828b929c6b [2025-03-17 07:05:22,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:05:22,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:05:22,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:05:22,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:05:22,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:05:22,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:05:22" (1/1) ... [2025-03-17 07:05:22,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afbe61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:22, skipping insertion in model container [2025-03-17 07:05:22,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:05:22" (1/1) ... [2025-03-17 07:05:22,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:05:22,747 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_harness.i[4492,4505] [2025-03-17 07:05:22,755 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_harness.i[4552,4565] [2025-03-17 07:05:23,291 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,305 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,725 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:05:23,864 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:05:23,878 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_harness.i[4492,4505] [2025-03-17 07:05:23,878 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_harness.i[4552,4565] [2025-03-17 07:05:23,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:23,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:24,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-17 07:05:24,021 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:24,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:24,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-17 07:05:24,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:05:24,198 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:05:24,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24 WrapperNode [2025-03-17 07:05:24,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:05:24,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:05:24,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:05:24,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:05:24,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,333 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-03-17 07:05:24,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:05:24,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:05:24,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:05:24,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:05:24,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,423 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 6, 4, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3, 0]. [2025-03-17 07:05:24,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,449 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:05:24,488 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:05:24,488 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:05:24,488 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:05:24,489 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (1/1) ... [2025-03-17 07:05:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:05:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:24,520 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) [2025-03-17 07:05:24,523 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 [2025-03-17 07:05:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:05:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:05:24,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:05:24,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:05:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-17 07:05:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-17 07:05:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:05:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:05:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:05:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:05:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:05:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:05:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:05:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:05:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:05:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:05:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:05:24,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:05:24,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:05:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:05:24,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:05:24,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:05:24,795 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:05:24,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:05:24,848 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:05:24,888 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:05:24,909 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:05:24,929 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-17 07:05:24,934 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-03-17 07:05:24,948 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:05:24,991 INFO L1322 $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; [2025-03-17 07:05:32,040 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2025-03-17 07:05:32,041 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:05:32,052 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:05:32,052 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:05:32,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:05:32 BoogieIcfgContainer [2025-03-17 07:05:32,053 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:05:32,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:05:32,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:05:32,059 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:05:32,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:05:22" (1/3) ... [2025-03-17 07:05:32,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e94690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:05:32, skipping insertion in model container [2025-03-17 07:05:32,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:24" (2/3) ... [2025-03-17 07:05:32,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e94690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:05:32, skipping insertion in model container [2025-03-17 07:05:32,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:05:32" (3/3) ... [2025-03-17 07:05:32,062 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-03-17 07:05:32,075 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:05:32,076 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness.i that has 12 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:05:32,123 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:05:32,134 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;@69b0d7eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:05:32,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:05:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 78 states have internal predecessors, (96), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 07:05:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 07:05:32,148 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:05:32,149 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:05:32,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:05:32,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:05:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash -776587454, now seen corresponding path program 1 times [2025-03-17 07:05:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:05:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346159598] [2025-03-17 07:05:32,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:32,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:06:39,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 07:06:39,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 07:06:39,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:06:39,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:06:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-17 07:06:40,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:06:40,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346159598] [2025-03-17 07:06:40,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346159598] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:06:40,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362212866] [2025-03-17 07:06:40,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:06:40,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:06:40,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:06:40,671 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) [2025-03-17 07:06:40,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process