./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 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_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-?-798a7b3-m [2025-03-04 03:07:19,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:07:19,233 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:07:19,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:07:19,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:07:19,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:07:19,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:07:19,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:07:19,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:07:19,265 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:07:19,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:07:19,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:07:19,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:07:19,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:07:19,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:07:19,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:07:19,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:07:19,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:07:19,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:07:19,268 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 [2025-03-04 03:07:19,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:07:19,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:07:19,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:07:19,487 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:07:19,488 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:07:19,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-04 03:07:20,654 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5efef8/641f84f561ee4a50b9407045be206051/FLAG17e29379a [2025-03-04 03:07:21,093 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:07:21,094 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2025-03-04 03:07:21,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5efef8/641f84f561ee4a50b9407045be206051/FLAG17e29379a [2025-03-04 03:07:21,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35d5efef8/641f84f561ee4a50b9407045be206051 [2025-03-04 03:07:21,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:07:21,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:07:21,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:07:21,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:07:21,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:07:21,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:07:21" (1/1) ... [2025-03-04 03:07:21,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575bf6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:21, skipping insertion in model container [2025-03-04 03:07:21,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:07:21" (1/1) ... [2025-03-04 03:07:21,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:07:21,498 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] [2025-03-04 03:07:21,507 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] [2025-03-04 03:07:22,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,926 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:22,927 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:07:23,087 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:07:23,096 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] [2025-03-04 03:07:23,099 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] [2025-03-04 03:07:23,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,148 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,149 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-03-04 03:07:23,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:23,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-03-04 03:07:23,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:07:23,437 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:07:23,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23 WrapperNode [2025-03-04 03:07:23,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:07:23,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:07:23,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:07:23,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:07:23,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,589 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-04 03:07:23,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:07:23,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:07:23,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:07:23,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:07:23,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,668 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 12, 257, 238, 16, 5, 13]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 6, 16, 5, 2]. The 493 writes are split as follows [0, 3, 257, 232, 0, 0, 1]. [2025-03-04 03:07:23,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,693 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:07:23,722 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:07:23,722 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:07:23,723 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:07:23,723 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (1/1) ... [2025-03-04 03:07:23,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:07:23,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:07:23,758 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 03:07:23,761 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 03:07:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:07:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:07:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 03:07:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:07:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:07:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:07:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:07:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:07:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:07:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:07:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:07:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:07:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 03:07:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 03:07:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:07:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:07:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:07:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:07:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:07:24,068 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:07:24,070 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:07:24,100 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:07:24,126 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 03:07:24,127 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:07:24,140 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7671: havoc #t~nondet817; [2025-03-04 03:07:24,156 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:07:24,210 INFO L1325 $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; [2025-03-04 03:07:24,254 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-04 03:07:31,176 INFO L1325 $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; [2025-03-04 03:07:31,212 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-03-04 03:07:31,212 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:07:31,224 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:07:31,226 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:07:31,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:07:31 BoogieIcfgContainer [2025-03-04 03:07:31,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:07:31,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:07:31,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:07:31,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:07:31,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:07:21" (1/3) ... [2025-03-04 03:07:31,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caa7216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:07:31, skipping insertion in model container [2025-03-04 03:07:31,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:23" (2/3) ... [2025-03-04 03:07:31,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caa7216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:07:31, skipping insertion in model container [2025-03-04 03:07:31,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:07:31" (3/3) ... [2025-03-04 03:07:31,235 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2025-03-04 03:07:31,246 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:07:31,249 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness_negated.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 03:07:31,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:07:31,304 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;@e36c24f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:07:31,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:07:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 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) [2025-03-04 03:07:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-04 03:07:31,317 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:07:31,317 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, 1, 1] [2025-03-04 03:07:31,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:07:31,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:07:31,323 INFO L85 PathProgramCache]: Analyzing trace with hash -456262206, now seen corresponding path program 1 times [2025-03-04 03:07:31,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:07:31,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708474064] [2025-03-04 03:07:31,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:07:31,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:08:36,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 03:08:37,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 03:08:37,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:08:37,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:08:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-03-04 03:08:39,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:08:39,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708474064] [2025-03-04 03:08:39,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708474064] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:08:39,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883546812] [2025-03-04 03:08:39,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:08:39,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:08:39,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:08:39,337 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 03:08:39,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process