./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_string_eq_byte_cursor_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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:25:50,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:25:50,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:25:50,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:25:50,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:25:50,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:25:50,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:25:50,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:25:50,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:25:50,280 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:25:50,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:25:50,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:25:50,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:25:50,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:25:50,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:25:50,282 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:25:50,283 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:25:50,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:25:50,283 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:25:50,283 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:25:50,283 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:25:50,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:50,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:25:50,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2025-03-17 07:25:50,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:25:50,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:25:50,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:25:50,525 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:25:50,525 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:25:50,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-17 07:25:51,713 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b894e4/857df43b02ca429789f119a0afe5cb55/FLAG7d0cd6990 [2025-03-17 07:25:52,211 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:25:52,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-17 07:25:52,254 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b894e4/857df43b02ca429789f119a0afe5cb55/FLAG7d0cd6990 [2025-03-17 07:25:52,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21b894e4/857df43b02ca429789f119a0afe5cb55 [2025-03-17 07:25:52,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:25:52,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:25:52,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:52,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:25:52,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:25:52,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:52" (1/1) ... [2025-03-17 07:25:52,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194a0701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:52, skipping insertion in model container [2025-03-17 07:25:52,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:52" (1/1) ... [2025-03-17 07:25:52,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:25:52,627 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2025-03-17 07:25:52,635 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2025-03-17 07:25:53,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,126 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,128 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:53,759 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:25:53,774 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2025-03-17 07:25:53,774 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2025-03-17 07:25:53,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-03-17 07:25:53,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,925 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:53,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-03-17 07:25:53,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:54,150 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:25:54,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54 WrapperNode [2025-03-17 07:25:54,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:54,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:54,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:25:54,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:25:54,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,287 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-17 07:25:54,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:54,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:25:54,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:25:54,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:25:54,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,363 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 257, 238, 13, 12, 16, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 6, 2, 0, 16, 5]. The 493 writes are split as follows [0, 257, 232, 1, 3, 0, 0]. [2025-03-17 07:25:54,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:25:54,420 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:25:54,420 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:25:54,420 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:25:54,421 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (1/1) ... [2025-03-17 07:25:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:54,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:25:54,449 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) [2025-03-17 07:25:54,455 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 [2025-03-17 07:25:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:25:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:25:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:25:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:25:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:25:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:25:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:25:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:25:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:25:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:25:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:25:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:25:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:25:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:25:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:25:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:25:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:25:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:25:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:25:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:25:54,750 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:25:54,752 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:25:54,795 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:25:54,819 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:25:54,824 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:25:54,834 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-03-17 07:25:54,847 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:25:54,877 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7339: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-17 07:25:54,896 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-17 07:26:01,990 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9315: havoc aws_string_eq_byte_cursor_#t~mem1302#1;havoc aws_string_eq_byte_cursor_#t~mem1303#1.base, aws_string_eq_byte_cursor_#t~mem1303#1.offset;havoc aws_string_eq_byte_cursor_#t~mem1304#1;havoc aws_string_eq_byte_cursor_#t~ret1305#1; [2025-03-17 07:26:02,017 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-03-17 07:26:02,017 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:26:02,027 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:26:02,027 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:26:02,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:26:02 BoogieIcfgContainer [2025-03-17 07:26:02,028 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:26:02,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:26:02,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:26:02,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:26:02,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:25:52" (1/3) ... [2025-03-17 07:26:02,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f761a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:26:02, skipping insertion in model container [2025-03-17 07:26:02,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:54" (2/3) ... [2025-03-17 07:26:02,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f761a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:26:02, skipping insertion in model container [2025-03-17 07:26:02,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:26:02" (3/3) ... [2025-03-17 07:26:02,038 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2025-03-17 07:26:02,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:26:02,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness_negated.i that has 11 procedures, 118 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:26:02,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:26:02,102 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;@208c8ca9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:26:02,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:26:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 77 states have (on average 1.2987012987012987) internal successors, (100), 78 states have internal predecessors, (100), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 07:26:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 07:26:02,111 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:26:02,111 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2025-03-17 07:26:02,111 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:26:02,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:26:02,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1428746446, now seen corresponding path program 1 times [2025-03-17 07:26:02,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:26:02,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121475914] [2025-03-17 07:26:02,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:26:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:27:15,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 07:27:15,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 07:27:15,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:27:15,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:27:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-17 07:27:16,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:27:16,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121475914] [2025-03-17 07:27:16,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121475914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:27:16,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636827851] [2025-03-17 07:27:16,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:27:16,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:27:16,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:27:16,451 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) [2025-03-17 07:27:16,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process