./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.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_from_string_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:48:11,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:48:11,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:48:11,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:48:11,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:48:12,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:48:12,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:48:12,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:48:12,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:48:12,008 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:48:12,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:48:12,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:48:12,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:48:12,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:48:12,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:48:12,010 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:48:12,011 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:48:12,011 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:48:12,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:48:12,011 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:48:12,011 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:48:12,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:48:12,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:48:12,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:48:12,012 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 -> c3b06783378816ab028e38f9f4609990f4d1028238bbcb0e88638ebb644bb54d [2025-03-04 02:48:12,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:48:12,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:48:12,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:48:12,234 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:48:12,234 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:48:12,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-04 02:48:13,396 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e59e2a5/012753010e7b442a8c86bbf057022873/FLAGd628e3b5b [2025-03-04 02:48:13,833 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:48:13,834 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_string_harness.i [2025-03-04 02:48:13,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e59e2a5/012753010e7b442a8c86bbf057022873/FLAGd628e3b5b [2025-03-04 02:48:13,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e59e2a5/012753010e7b442a8c86bbf057022873 [2025-03-04 02:48:13,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:48:13,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:48:13,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:48:13,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:48:13,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:48:13,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:48:13" (1/1) ... [2025-03-04 02:48:13,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1f10d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:13, skipping insertion in model container [2025-03-04 02:48:13,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:48:13" (1/1) ... [2025-03-04 02:48:13,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:48:14,150 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_from_string_harness.i[4501,4514] [2025-03-04 02:48:14,158 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_from_string_harness.i[4561,4574] [2025-03-04 02:48:14,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:14,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,026 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:48:15,171 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:48:15,180 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_from_string_harness.i[4501,4514] [2025-03-04 02:48:15,182 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_from_string_harness.i[4561,4574] [2025-03-04 02:48:15,218 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,219 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,220 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-04 02:48:15,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:48:15,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-04 02:48:15,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:48:15,594 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:48:15,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15 WrapperNode [2025-03-04 02:48:15,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:48:15,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:48:15,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:48:15,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:48:15,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,763 INFO L138 Inliner]: procedures = 682, calls = 2791, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 848 [2025-03-04 02:48:15,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:48:15,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:48:15,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:48:15,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:48:15,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,827 INFO L175 MemorySlicer]: Split 543 memory accesses to 6 slices as follows [2, 249, 5, 14, 257, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 6, 5, 2, 0, 16]. The 494 writes are split as follows [0, 235, 0, 2, 257, 0]. [2025-03-04 02:48:15,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,849 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:48:15,883 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:48:15,883 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:48:15,883 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:48:15,884 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (1/1) ... [2025-03-04 02:48:15,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:48:15,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:48:15,914 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 02:48:15,920 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 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 02:48:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:48:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-04 02:48:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:48:15,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:48:15,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:48:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:48:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:48:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-03-04 02:48:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:48:15,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:48:15,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:48:15,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:48:15,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:48:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:48:15,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:48:15,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:48:15,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:48:16,153 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:48:16,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:48:16,180 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:48:16,212 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 02:48:16,214 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:48:16,226 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:48:16,252 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7371: 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 02:48:16,292 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-04 02:48:23,014 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9518: havoc aws_byte_cursor_from_string_#t~ret1346#1.base, aws_byte_cursor_from_string_#t~ret1346#1.offset;havoc aws_byte_cursor_from_string_#t~mem1347#1;havoc aws_byte_cursor_from_string_#t~ret1348#1.len, aws_byte_cursor_from_string_#t~ret1348#1.ptr.base, aws_byte_cursor_from_string_#t~ret1348#1.ptr.offset; [2025-03-04 02:48:23,014 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8241: havoc aws_byte_cursor_from_array_#t~mem1080#1;havoc aws_byte_cursor_from_array_#t~mem1081#1.base, aws_byte_cursor_from_array_#t~mem1081#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset);havoc aws_byte_cursor_from_array_~#cur~2#1.base, aws_byte_cursor_from_array_~#cur~2#1.offset; [2025-03-04 02:48:23,032 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2025-03-04 02:48:23,032 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:48:23,039 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:48:23,039 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:48:23,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:48:23 BoogieIcfgContainer [2025-03-04 02:48:23,039 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:48:23,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:48:23,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:48:23,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:48:23,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:48:13" (1/3) ... [2025-03-04 02:48:23,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5812a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:48:23, skipping insertion in model container [2025-03-04 02:48:23,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:48:15" (2/3) ... [2025-03-04 02:48:23,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5812a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:48:23, skipping insertion in model container [2025-03-04 02:48:23,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:48:23" (3/3) ... [2025-03-04 02:48:23,048 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_string_harness.i [2025-03-04 02:48:23,057 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:48:23,059 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_string_harness.i that has 11 procedures, 104 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:48:23,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:48:23,114 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;@3a14a5f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:48:23,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:48:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 68 states have internal predecessors, (79), 25 states have call successors, (25), 10 states have call predecessors, (25), 10 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-04 02:48:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-04 02:48:23,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:48:23,127 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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 02:48:23,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:48:23,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:48:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash -887177288, now seen corresponding path program 1 times [2025-03-04 02:48:23,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:48:23,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758258175] [2025-03-04 02:48:23,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:48:23,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:49:28,672 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-04 02:49:29,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-04 02:49:29,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:49:29,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:49:29,813 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-04 02:49:29,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:49:29,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758258175] [2025-03-04 02:49:29,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758258175] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:49:29,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175352918] [2025-03-04 02:49:29,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:49:29,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:49:29,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:49:29,820 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 02:49:29,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process