./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_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_string_eq_byte_cursor_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 caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:07:12,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:07:12,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:07:12,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:07:12,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:07:12,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:07:12,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:07:12,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:07:12,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:07:12,190 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:07:12,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:07:12,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:07:12,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:07:12,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:07:12,191 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:07:12,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:07:12,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:07:12,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:07:12,192 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:07:12,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:07:12,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:07:12,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:07:12,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:07:12,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:07:12,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:07:12,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:07:12,194 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 -> caa9ea3c4b01be424b9d4542ff8acdcb39307db8022d65ba85a629a6a4ef591a [2025-03-04 03:07:12,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:07:12,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:07:12,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:07:12,417 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:07:12,418 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:07:12,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-04 03:07:13,617 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0473c7eba/06f3e7e7758d4aca8a54244e0a384d8b/FLAGb3aa2c11e [2025-03-04 03:07:14,060 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:07:14,061 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness.i [2025-03-04 03:07:14,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0473c7eba/06f3e7e7758d4aca8a54244e0a384d8b/FLAGb3aa2c11e [2025-03-04 03:07:14,107 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0473c7eba/06f3e7e7758d4aca8a54244e0a384d8b [2025-03-04 03:07:14,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:07:14,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:07:14,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:07:14,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:07:14,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:07:14,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:07:14" (1/1) ... [2025-03-04 03:07:14,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b71f8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:14, skipping insertion in model container [2025-03-04 03:07:14,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:07:14" (1/1) ... [2025-03-04 03:07:14,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:07:14,448 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.i[4499,4512] [2025-03-04 03:07:14,459 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.i[4559,4572] [2025-03-04 03:07:15,094 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,096 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:07:15,761 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:07:15,775 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.i[4499,4512] [2025-03-04 03:07:15,776 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.i[4559,4572] [2025-03-04 03:07:15,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-04 03:07:15,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,900 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:07:15,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-04 03:07:15,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:07:16,111 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:07:16,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16 WrapperNode [2025-03-04 03:07:16,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:07:16,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:07:16,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:07:16,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:07:16,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,229 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2025-03-04 03:07:16,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:07:16,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:07:16,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:07:16,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:07:16,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,287 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 12, 257, 238, 16, 13, 5]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 0, 6, 16, 2, 5]. The 493 writes are split as follows [0, 3, 257, 232, 0, 1, 0]. [2025-03-04 03:07:16,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,318 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:07:16,351 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:07:16,351 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:07:16,352 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:07:16,352 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (1/1) ... [2025-03-04 03:07:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:07:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:07:16,382 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 03:07:16,384 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 03:07:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:07:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:07:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 03:07:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 03:07:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:07:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-04 03:07:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:07:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:07:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:07:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:07:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:07:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 03:07:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:07:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:07:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:07:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:07:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 03:07:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-04 03:07:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:07:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:07:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:07:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 03:07:16,654 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:07:16,656 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:07:16,683 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:07:16,721 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 03:07:16,722 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:07:16,737 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-03-04 03:07:16,747 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:07:16,774 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 03:07:16,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-04 03:07:24,068 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9349: 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 03:07:24,092 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2025-03-04 03:07:24,092 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:07:24,100 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:07:24,102 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:07:24,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:07:24 BoogieIcfgContainer [2025-03-04 03:07:24,102 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:07:24,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:07:24,105 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:07:24,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:07:24,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:07:14" (1/3) ... [2025-03-04 03:07:24,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2eaaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:07:24, skipping insertion in model container [2025-03-04 03:07:24,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:07:16" (2/3) ... [2025-03-04 03:07:24,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2eaaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:07:24, skipping insertion in model container [2025-03-04 03:07:24,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:07:24" (3/3) ... [2025-03-04 03:07:24,112 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness.i [2025-03-04 03:07:24,124 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:07:24,132 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_cursor_harness.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 03:07:24,183 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:07:24,192 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;@174396b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:07:24,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:07:24,197 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 03:07:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-04 03:07:24,205 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:07:24,206 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 03:07:24,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:07:24,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:07:24,212 INFO L85 PathProgramCache]: Analyzing trace with hash -456262206, now seen corresponding path program 1 times [2025-03-04 03:07:24,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:07:24,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845793201] [2025-03-04 03:07:24,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:07:24,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:08:28,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-04 03:08:28,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-04 03:08:28,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:08:28,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:08:30,742 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 03:08:30,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:08:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845793201] [2025-03-04 03:08:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845793201] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:08:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131983440] [2025-03-04 03:08:30,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:08:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:08:30,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:08:30,745 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 03:08:30,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process