./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 17:58:01,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:58:01,978 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:58:01,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:58:01,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:58:02,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:58:02,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:58:02,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:58:02,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:58:02,007 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:58:02,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:58:02,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:58:02,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:58:02,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:58:02,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:58:02,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:58:02,010 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:58:02,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:02,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:58:02,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:58:02,011 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 [2025-03-08 17:58:02,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:58:02,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:58:02,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:58:02,239 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:58:02,239 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:58:02,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-08 17:58:03,334 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19badfc2c/937933b0cb5b4264ad3732cb4fb9c08e/FLAG2b8f80a38 [2025-03-08 17:58:03,808 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:58:03,809 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness.i [2025-03-08 17:58:03,847 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19badfc2c/937933b0cb5b4264ad3732cb4fb9c08e/FLAG2b8f80a38 [2025-03-08 17:58:03,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19badfc2c/937933b0cb5b4264ad3732cb4fb9c08e [2025-03-08 17:58:03,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:58:03,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:58:03,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:03,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:58:03,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:58:03,907 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:03" (1/1) ... [2025-03-08 17:58:03,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d43bd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:03, skipping insertion in model container [2025-03-08 17:58:03,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:03" (1/1) ... [2025-03-08 17:58:03,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:58:04,203 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] [2025-03-08 17:58:04,210 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] [2025-03-08 17:58:05,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,093 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:05,909 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:58:05,919 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] [2025-03-08 17:58:05,921 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] [2025-03-08 17:58:05,959 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,960 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,961 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:05,972 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:06,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-08 17:58:06,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:06,065 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:06,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-08 17:58:06,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:06,239 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:58:06,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06 WrapperNode [2025-03-08 17:58:06,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:06,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:06,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:58:06,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:58:06,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,347 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-03-08 17:58:06,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:06,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:58:06,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:58:06,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:58:06,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,445 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 6, 257, 238, 38, 4, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 4, 0, 5]. The 494 writes are split as follows [0, 2, 257, 232, 3, 0, 0]. [2025-03-08 17:58:06,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:58:06,508 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:58:06,508 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:58:06,508 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:58:06,509 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (1/1) ... [2025-03-08 17:58:06,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:58:06,540 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) [2025-03-08 17:58:06,543 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 [2025-03-08 17:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:58:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:58:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:58:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-08 17:58:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:58:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:58:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:58:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:58:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:58:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:06,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:06,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:58:06,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:58:06,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 17:58:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:58:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:58:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-08 17:58:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:58:06,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:58:06,813 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:58:06,814 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:58:06,849 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:58:06,887 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:58:06,903 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:58:06,924 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-08 17:58:06,928 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-03-08 17:58:06,938 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:58:06,968 INFO L1307 $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; [2025-03-08 17:58:14,173 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-03-08 17:58:14,173 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:58:14,186 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:58:14,190 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:58:14,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:14 BoogieIcfgContainer [2025-03-08 17:58:14,191 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:58:14,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:58:14,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:58:14,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:58:14,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:58:03" (1/3) ... [2025-03-08 17:58:14,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76453d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:14, skipping insertion in model container [2025-03-08 17:58:14,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:06" (2/3) ... [2025-03-08 17:58:14,198 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76453d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:14, skipping insertion in model container [2025-03-08 17:58:14,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:14" (3/3) ... [2025-03-08 17:58:14,201 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness.i [2025-03-08 17:58:14,213 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:58:14,215 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. [2025-03-08 17:58:14,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:58:14,281 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;@4f9e05ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:58:14,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:58:14,287 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) [2025-03-08 17:58:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 17:58:14,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:58:14,298 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] [2025-03-08 17:58:14,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:58:14,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:58:14,302 INFO L85 PathProgramCache]: Analyzing trace with hash 185412092, now seen corresponding path program 1 times [2025-03-08 17:58:14,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:58:14,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553990996] [2025-03-08 17:58:14,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:58:14,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:59:22,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 17:59:22,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 17:59:22,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:59:22,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:59:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-08 17:59:23,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:59:23,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553990996] [2025-03-08 17:59:23,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553990996] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:59:23,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970136350] [2025-03-08 17:59:23,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:59:23,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:59:23,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:59:23,666 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) [2025-03-08 17:59:23,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process