./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_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 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:25:02,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:25:02,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:25:02,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:25:02,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:25:02,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:25:02,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:25:02,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:25:02,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:25:02,406 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:25:02,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:25:02,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:25:02,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:25:02,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:25:02,407 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:25:02,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:02,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:25:02,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:25:02,408 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 -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2025-03-17 07:25:02,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:25:02,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:25:02,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:25:02,633 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:25:02,633 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:25:02,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-03-17 07:25:03,702 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f978292/b5eed0f453414128a448c9985e2d4f20/FLAG10252d3c3 [2025-03-17 07:25:04,219 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:25:04,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-03-17 07:25:04,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f978292/b5eed0f453414128a448c9985e2d4f20/FLAG10252d3c3 [2025-03-17 07:25:04,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f978292/b5eed0f453414128a448c9985e2d4f20 [2025-03-17 07:25:04,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:25:04,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:25:04,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:04,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:25:04,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:25:04,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:04" (1/1) ... [2025-03-17 07:25:04,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58508e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:04, skipping insertion in model container [2025-03-17 07:25:04,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:25:04" (1/1) ... [2025-03-17 07:25:04,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:25:04,569 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_buf_harness.i[4496,4509] [2025-03-17 07:25:04,578 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_buf_harness.i[4556,4569] [2025-03-17 07:25:05,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:05,601 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:25:05,614 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_buf_harness.i[4496,4509] [2025-03-17 07:25:05,617 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_buf_harness.i[4556,4569] [2025-03-17 07:25:05,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-03-17 07:25:05,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:25:05,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-03-17 07:25:05,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:25:05,971 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:25:05,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05 WrapperNode [2025-03-17 07:25:05,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:25:05,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:05,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:25:05,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:25:05,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,084 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-03-17 07:25:06,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:25:06,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:25:06,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:25:06,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:25:06,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,167 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 16, 16, 20]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 16, 5, 4]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2]. [2025-03-17 07:25:06,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:25:06,220 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:25:06,220 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:25:06,220 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:25:06,221 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (1/1) ... [2025-03-17 07:25:06,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:25:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:25:06,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:25:06,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:25:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:25:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:25:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:25:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:25:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:25:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:25:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:25:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:25:06,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:25:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:25:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:25:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:25:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:25:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:25:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:25:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:25:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:25:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:25:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:25:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:25:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:25:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:25:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:25:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:25:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:25:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:25:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:25:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:25:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:25:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:25:06,474 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:25:06,476 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:25:06,514 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:25:06,538 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:25:06,540 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:25:06,550 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-03-17 07:25:06,589 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-17 07:25:06,598 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:25:06,621 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-03-17 07:25:13,672 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9408: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2025-03-17 07:25:13,672 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:25:13,707 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-03-17 07:25:13,707 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:25:13,714 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:25:13,715 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:25:13,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:25:13 BoogieIcfgContainer [2025-03-17 07:25:13,715 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:25:13,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:25:13,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:25:13,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:25:13,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:25:04" (1/3) ... [2025-03-17 07:25:13,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e70a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:25:13, skipping insertion in model container [2025-03-17 07:25:13,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:25:05" (2/3) ... [2025-03-17 07:25:13,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e70a870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:25:13, skipping insertion in model container [2025-03-17 07:25:13,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:25:13" (3/3) ... [2025-03-17 07:25:13,722 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2025-03-17 07:25:13,731 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:25:13,734 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness.i that has 11 procedures, 125 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:25:13,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:25:13,782 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;@62d5f5fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:25:13,782 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:25:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-17 07:25:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 07:25:13,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:25:13,791 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2025-03-17 07:25:13,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:25:13,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:25:13,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1975818578, now seen corresponding path program 1 times [2025-03-17 07:25:13,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:25:13,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444670048] [2025-03-17 07:25:13,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:25:13,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:26:19,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 07:26:19,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 07:26:19,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:26:19,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:26:20,332 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-03-17 07:26:20,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:26:20,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444670048] [2025-03-17 07:26:20,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444670048] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:26:20,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945838760] [2025-03-17 07:26:20,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:26:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:26:20,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:26:20,337 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) [2025-03-17 07:26:20,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process