./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 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_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-?-798a7b3-m [2025-03-04 02:46:56,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:46:56,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:46:56,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:46:56,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:46:56,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:46:56,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:46:56,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:46:56,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:46:56,698 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:46:56,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:46:56,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:46:56,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:46:56,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:46:56,699 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:46:56,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:46:56,700 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:46:56,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:46:56,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:46:56,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:46:56,701 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 [2025-03-04 02:46:56,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:46:56,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:46:56,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:46:56,917 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:46:56,917 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:46:56,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-04 02:46:58,007 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f6e4aec/addbf916f22648c08e4a6e3a16941b03/FLAGa00d2a773 [2025-03-04 02:46:58,465 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:46:58,465 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-04 02:46:58,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f6e4aec/addbf916f22648c08e4a6e3a16941b03/FLAGa00d2a773 [2025-03-04 02:46:58,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f6e4aec/addbf916f22648c08e4a6e3a16941b03 [2025-03-04 02:46:58,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:46:58,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:46:58,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:46:58,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:46:58,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:46:58,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:46:58" (1/1) ... [2025-03-04 02:46:58,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dafa1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:46:58, skipping insertion in model container [2025-03-04 02:46:58,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:46:58" (1/1) ... [2025-03-04 02:46:58,653 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:46:58,863 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] [2025-03-04 02:46:58,872 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] [2025-03-04 02:46:59,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:46:59,836 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:46:59,848 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] [2025-03-04 02:46:59,848 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] [2025-03-04 02:46:59,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,880 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,881 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,994 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-04 02:46:59,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:46:59,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:00,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-04 02:47:00,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:00,181 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:47:00,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00 WrapperNode [2025-03-04 02:47:00,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:00,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:00,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:47:00,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:47:00,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,281 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-03-04 02:47:00,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:00,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:47:00,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:47:00,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:47:00,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,302 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,365 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]. [2025-03-04 02:47:00,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:47:00,437 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:47:00,437 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:47:00,437 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:47:00,438 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:47:00,476 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 02:47:00,481 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 02:47:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:47:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:47:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:47:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:47:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-04 02:47:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-04 02:47:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:47:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:47:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:47:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:47:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:47:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:47:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:47:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:47:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:47:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 02:47:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:47:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:47:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:47:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:47:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:47:00,704 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:47:00,707 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:47:00,732 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:47:00,765 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:47:00,775 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:47:00,790 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-04 02:47:00,795 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-03-04 02:47:00,807 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:47:00,836 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 02:47:07,661 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-03-04 02:47:07,662 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:47:07,673 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:47:07,673 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:47:07,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:07 BoogieIcfgContainer [2025-03-04 02:47:07,674 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:47:07,677 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:47:07,677 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:47:07,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:47:07,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:46:58" (1/3) ... [2025-03-04 02:47:07,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2e7364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:07, skipping insertion in model container [2025-03-04 02:47:07,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00" (2/3) ... [2025-03-04 02:47:07,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2e7364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:07, skipping insertion in model container [2025-03-04 02:47:07,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:07" (3/3) ... [2025-03-04 02:47:07,682 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-03-04 02:47:07,692 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:47:07,694 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. [2025-03-04 02:47:07,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:47:07,746 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;@5e46e382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:47:07,746 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:47:07,749 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) [2025-03-04 02:47:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-04 02:47:07,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:47:07,758 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] [2025-03-04 02:47:07,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:47:07,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:47:07,764 INFO L85 PathProgramCache]: Analyzing trace with hash 185412092, now seen corresponding path program 1 times [2025-03-04 02:47:07,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:47:07,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399454056] [2025-03-04 02:47:07,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:47:07,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:48:14,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 02:48:14,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 02:48:14,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:48:14,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:48:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-04 02:48:15,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:48:15,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399454056] [2025-03-04 02:48:15,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399454056] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:48:15,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598177812] [2025-03-04 02:48:15,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:48:15,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:48:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:48:15,338 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 02:48:15,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process