./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 48c9605d 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-?-48c9605-m [2025-02-08 01:41:05,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:41:05,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:41:05,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:41:05,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:41:05,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:41:05,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:41:05,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:41:05,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:41:05,789 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:41:05,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:41:05,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:41:05,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:41:05,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:41:05,790 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:41:05,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:41:05,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:41:05,792 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:05,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:41:05,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:41:05,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:41:05,793 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 [2025-02-08 01:41:05,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:41:05,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:41:05,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:41:05,996 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:41:05,996 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:41:06,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-02-08 01:41:07,156 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c7fbbdfa/2c6beeccfd1f463cbfdec3ce57e3bc28/FLAGd23d5cf4e [2025-02-08 01:41:07,639 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:41:07,640 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-02-08 01:41:07,668 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c7fbbdfa/2c6beeccfd1f463cbfdec3ce57e3bc28/FLAGd23d5cf4e [2025-02-08 01:41:07,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c7fbbdfa/2c6beeccfd1f463cbfdec3ce57e3bc28 [2025-02-08 01:41:07,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:41:07,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:41:07,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:07,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:41:07,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:41:07,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:07" (1/1) ... [2025-02-08 01:41:07,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d34fe84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:07, skipping insertion in model container [2025-02-08 01:41:07,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:07" (1/1) ... [2025-02-08 01:41:07,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:41:07,924 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] [2025-02-08 01:41:07,929 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] [2025-02-08 01:41:08,385 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:08,880 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:41:08,891 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] [2025-02-08 01:41:08,894 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] [2025-02-08 01:41:08,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:08,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:41:09,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:09,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:41:09,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:09,226 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:41:09,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09 WrapperNode [2025-02-08 01:41:09,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:09,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:09,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:41:09,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:41:09,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,308 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-02-08 01:41:09,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:09,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:41:09,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:41:09,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:41:09,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,330 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,381 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 38, 238, 4, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 4, 6, 0, 0, 5]. The 494 writes are split as follows [0, 257, 3, 232, 0, 2, 0]. [2025-02-08 01:41:09,382 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,382 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,413 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:41:09,463 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:41:09,463 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:41:09,465 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:41:09,466 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (1/1) ... [2025-02-08 01:41:09,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:09,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:09,501 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) [2025-02-08 01:41:09,503 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 [2025-02-08 01:41:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:41:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:41:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:41:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:41:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:41:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:41:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:41:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:41:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:41:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:41:09,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:41:09,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 01:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:41:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:41:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:41:09,746 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:41:09,748 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:41:09,780 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:41:09,815 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:41:09,815 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc #t~mem603#1;call #t~mem604#1 := read~int#5(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#4(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#5(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:41:09,815 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#5(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#5(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:41:09,833 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:41:09,847 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-02-08 01:41:09,856 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-02-08 01:41:09,867 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:41:09,895 INFO L1324 $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; [2025-02-08 01:41:16,928 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2025-02-08 01:41:16,928 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:41:16,941 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:41:16,943 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:41:16,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:41:16 BoogieIcfgContainer [2025-02-08 01:41:16,943 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:41:16,946 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:41:16,946 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:41:16,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:41:16,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:41:07" (1/3) ... [2025-02-08 01:41:16,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3014ec80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:41:16, skipping insertion in model container [2025-02-08 01:41:16,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:09" (2/3) ... [2025-02-08 01:41:16,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3014ec80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:41:16, skipping insertion in model container [2025-02-08 01:41:16,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:41:16" (3/3) ... [2025-02-08 01:41:16,952 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-02-08 01:41:16,962 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:41:16,964 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness.i that has 12 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:41:17,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:41:17,019 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;@c2b93c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:41:17,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:41:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 77 states have internal predecessors, (94), 39 states have call successors, (39), 11 states have call predecessors, (39), 11 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-08 01:41:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 01:41:17,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:41:17,031 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] [2025-02-08 01:41:17,032 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:41:17,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:41:17,035 INFO L85 PathProgramCache]: Analyzing trace with hash -868093217, now seen corresponding path program 1 times [2025-02-08 01:41:17,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:41:17,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017386414] [2025-02-08 01:41:17,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:41:17,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:42:41,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 01:42:42,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 01:42:42,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:42:42,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:42:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-02-08 01:42:42,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:42:42,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017386414] [2025-02-08 01:42:42,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017386414] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:42:42,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325226450] [2025-02-08 01:42:42,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:42:42,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:42:42,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:42:42,739 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) [2025-02-08 01:42:42,742 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