./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 c00e63dc 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_eq_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 f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:03:58,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:03:58,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:03:58,255 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:03:58,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:03:58,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:03:58,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:03:58,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:03:58,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:03:58,280 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:03:58,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:03:58,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:03:58,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:03:58,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:03:58,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:03:58,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:03:58,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:03:58,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:03:58,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:03:58,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:03:58,284 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 -> f4877cca40595980101fbb98f82b1b3f363016b57821c488c5d2a98ecc206f92 [2025-02-06 05:03:58,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:03:58,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:03:58,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:03:58,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:03:58,502 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:03:58,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-02-06 05:03:59,641 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7c5b7c66/54ede581777c4dd789260e6d8000c139/FLAGca14e82e9 [2025-02-06 05:04:00,163 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:04:00,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-02-06 05:04:00,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7c5b7c66/54ede581777c4dd789260e6d8000c139/FLAGca14e82e9 [2025-02-06 05:04:00,211 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7c5b7c66/54ede581777c4dd789260e6d8000c139 [2025-02-06 05:04:00,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:04:00,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:04:00,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:04:00,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:04:00,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:04:00,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:04:00" (1/1) ... [2025-02-06 05:04:00,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1984e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:00, skipping insertion in model container [2025-02-06 05:04:00,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:04:00" (1/1) ... [2025-02-06 05:04:00,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:04:00,442 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_eq_harness.i[4492,4505] [2025-02-06 05:04:00,449 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_eq_harness.i[4552,4565] [2025-02-06 05:04:00,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:00,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,266 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:04:01,351 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:04:01,365 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_eq_harness.i[4492,4505] [2025-02-06 05:04:01,366 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_eq_harness.i[4552,4565] [2025-02-06 05:04:01,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-06 05:04:01,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:04:01,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-06 05:04:01,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:04:01,731 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:04:01,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01 WrapperNode [2025-02-06 05:04:01,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:04:01,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:04:01,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:04:01,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:04:01,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,861 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-02-06 05:04:01,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:04:01,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:04:01,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:04:01,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:04:01,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,919 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 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, 0, 2, 3, 0]. [2025-02-06 05:04:01,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:04:01,988 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:04:01,988 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:04:01,988 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:04:01,989 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (1/1) ... [2025-02-06 05:04:01,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:04:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:04:02,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:04:02,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:04:02,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:04:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:04:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-06 05:04:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:04:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:04:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 05:04:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:04:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:04:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:04:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:04:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:04:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 05:04:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:04:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:04:02,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:04:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 05:04:02,291 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:04:02,292 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:04:02,317 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:04:02,350 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:04:02,369 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:04:02,390 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-02-06 05:04:02,396 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-02-06 05:04:02,408 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:04:02,441 INFO L1309 $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; [2025-02-06 05:04:09,319 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-02-06 05:04:09,319 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:04:09,328 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:04:09,328 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:04:09,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:04:09 BoogieIcfgContainer [2025-02-06 05:04:09,329 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:04:09,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:04:09,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:04:09,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:04:09,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:04:00" (1/3) ... [2025-02-06 05:04:09,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a41a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:04:09, skipping insertion in model container [2025-02-06 05:04:09,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:04:01" (2/3) ... [2025-02-06 05:04:09,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a41a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:04:09, skipping insertion in model container [2025-02-06 05:04:09,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:04:09" (3/3) ... [2025-02-06 05:04:09,337 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-02-06 05:04:09,347 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:04:09,349 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness.i that has 12 procedures, 134 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 05:04:09,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:04:09,397 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;@2de3fc27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:04:09,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:04:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 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) [2025-02-06 05:04:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 05:04:09,410 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:04:09,411 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, 1] [2025-02-06 05:04:09,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:04:09,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:04:09,415 INFO L85 PathProgramCache]: Analyzing trace with hash 185412092, now seen corresponding path program 1 times [2025-02-06 05:04:09,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:04:09,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479945563] [2025-02-06 05:04:09,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:04:09,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:05:17,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 05:05:17,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 05:05:17,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:05:17,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:05:18,668 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-06 05:05:18,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:05:18,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479945563] [2025-02-06 05:05:18,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479945563] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:05:18,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412260825] [2025-02-06 05:05:18,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:05:18,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:05:18,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:05:18,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:05:18,673 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