./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.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_negated.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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:46:58,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:46:58,244 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:46:58,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:46:58,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:46:58,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:46:58,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:46:58,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:46:58,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:46:58,273 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:46:58,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:46:58,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:46:58,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:46:58,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:46:58,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:46:58,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:46:58,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:46:58,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:46:58,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:46:58,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:46:58,277 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 -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2025-03-04 02:46:58,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:46:58,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:46:58,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:46:58,526 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:46:58,526 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:46:58,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-03-04 02:46:59,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f632206e2/e6047e00154b4a4589c1e658bee2feb5/FLAG1a1cedf32 [2025-03-04 02:47:00,105 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:47:00,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-03-04 02:47:00,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f632206e2/e6047e00154b4a4589c1e658bee2feb5/FLAG1a1cedf32 [2025-03-04 02:47:00,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f632206e2/e6047e00154b4a4589c1e658bee2feb5 [2025-03-04 02:47:00,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:47:00,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:47:00,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:00,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:47:00,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:47:00,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1686bb04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:00, skipping insertion in model container [2025-03-04 02:47:00,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:00" (1/1) ... [2025-03-04 02:47:00,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:47:00,539 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_negated.i[4492,4505] [2025-03-04 02:47:00,547 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_negated.i[4552,4565] [2025-03-04 02:47:01,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,230 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,709 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:01,844 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:47:01,854 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_negated.i[4492,4505] [2025-03-04 02:47:01,855 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_negated.i[4552,4565] [2025-03-04 02:47:01,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,886 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,887 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-04 02:47:01,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:01,992 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-04 02:47:02,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:02,173 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:47:02,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02 WrapperNode [2025-03-04 02:47:02,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:02,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:02,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:47:02,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:47:02,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,322 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-03-04 02:47:02,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:02,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:47:02,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:47:02,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:47:02,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,393 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 4, 238, 6, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 6, 0, 4, 5]. The 494 writes are split as follows [0, 257, 0, 232, 2, 3, 0]. [2025-03-04 02:47:02,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,435 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:47:02,458 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:47:02,458 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:47:02,458 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:47:02,459 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (1/1) ... [2025-03-04 02:47:02,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:02,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:47:02,493 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 02:47:02,496 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 02:47:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:02,515 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:47:02,516 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:47:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:47:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-04 02:47:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:47:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:47:02,518 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:47:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:47:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:47:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:47:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:47:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:47:02,747 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:47:02,749 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:47:02,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:47:02,818 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:47:02,838 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:47:02,856 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2025-03-04 02:47:02,863 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-04 02:47:02,875 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:47:02,910 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: 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 02:47:09,987 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-03-04 02:47:09,987 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:47:09,995 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:47:09,995 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:47:09,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:09 BoogieIcfgContainer [2025-03-04 02:47:09,996 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:47:09,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:47:09,999 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:47:10,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:47:10,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:47:00" (1/3) ... [2025-03-04 02:47:10,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ad9585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:10, skipping insertion in model container [2025-03-04 02:47:10,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:02" (2/3) ... [2025-03-04 02:47:10,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56ad9585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:10, skipping insertion in model container [2025-03-04 02:47:10,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:09" (3/3) ... [2025-03-04 02:47:10,006 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2025-03-04 02:47:10,016 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:47:10,018 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness_negated.i that has 12 procedures, 134 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:47:10,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:47:10,074 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;@5c1fd8d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:47:10,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:47:10,078 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 02:47:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-04 02:47:10,087 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:47:10,087 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 02:47:10,088 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:47:10,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:47:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash 185412092, now seen corresponding path program 1 times [2025-03-04 02:47:10,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:47:10,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919814496] [2025-03-04 02:47:10,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:47:10,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:48:18,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-04 02:48:19,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-04 02:48:19,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:48:19,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:48:20,156 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 02:48:20,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:48:20,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919814496] [2025-03-04 02:48:20,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919814496] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:48:20,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971454233] [2025-03-04 02:48:20,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:48:20,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:48:20,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:48:20,160 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 02:48:20,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process