./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:54:01,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:54:01,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:54:01,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:54:01,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:54:01,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:54:01,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:54:01,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:54:01,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:54:01,505 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:54:01,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:54:01,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:54:01,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:54:01,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:54:01,506 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:54:01,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:54:01,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:54:01,507 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:54:01,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:01,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:54:01,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:54:01,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:54:01,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:54:01,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:54:01,509 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-jdk21/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 -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2025-02-06 04:54:01,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:54:01,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:54:01,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:54:01,755 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:54:01,755 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:54:01,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-02-06 04:54:02,862 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65930e69b/1d53c049610045ce934a260829eade26/FLAG5cfe94387 [2025-02-06 04:54:03,336 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:54:03,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-02-06 04:54:03,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65930e69b/1d53c049610045ce934a260829eade26/FLAG5cfe94387 [2025-02-06 04:54:03,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/65930e69b/1d53c049610045ce934a260829eade26 [2025-02-06 04:54:03,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:54:03,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:54:03,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:03,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:54:03,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:54:03,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:03" (1/1) ... [2025-02-06 04:54:03,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254f8fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:03, skipping insertion in model container [2025-02-06 04:54:03,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:03" (1/1) ... [2025-02-06 04:54:03,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:54:03,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2025-02-06 04:54:03,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2025-02-06 04:54:04,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,422 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:04,549 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:54:04,560 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4494,4507] [2025-02-06 04:54:04,562 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i[4554,4567] [2025-02-06 04:54:04,598 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,599 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 04:54:04,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:04,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 04:54:04,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:04,918 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:54:04,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04 WrapperNode [2025-02-06 04:54:04,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:04,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:04,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:54:04,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:54:04,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:04,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,045 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 974 [2025-02-06 04:54:05,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:05,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:54:05,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:54:05,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:54:05,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,096 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 2, 81, 6, 245]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 12, 0, 11]. The 508 writes are split as follows [257, 0, 17, 2, 232]. [2025-02-06 04:54:05,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:54:05,178 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:54:05,178 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:54:05,178 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:54:05,179 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (1/1) ... [2025-02-06 04:54:05,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:05,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:54:05,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:54:05,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:54:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:54:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:54:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:54:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:54:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:54:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:54:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:54:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:54:05,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:54:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:54:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:54:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:54:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:54:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:54:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:54:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:54:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:54:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:54:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:54:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-02-06 04:54:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:54:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:54:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:54:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:54:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:54:05,469 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:54:05,470 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:54:05,495 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:54:05,537 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-02-06 04:54:05,584 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-02-06 04:54:05,598 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:54:05,607 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-02-06 04:54:12,280 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8237: havoc aws_byte_buf_from_array_#t~mem1061#1;havoc aws_byte_buf_from_array_#t~mem1062#1.base, aws_byte_buf_from_array_#t~mem1062#1.offset;havoc aws_byte_buf_from_array_#t~mem1063#1;havoc aws_byte_buf_from_array_#t~mem1064#1.base, aws_byte_buf_from_array_#t~mem1064#1.offset;call ULTIMATE.dealloc(aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset);havoc aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset; [2025-02-06 04:54:12,280 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:54:12,349 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2025-02-06 04:54:12,350 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:54:12,361 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:54:12,361 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:54:12,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:12 BoogieIcfgContainer [2025-02-06 04:54:12,361 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:54:12,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:54:12,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:54:12,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:54:12,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:54:03" (1/3) ... [2025-02-06 04:54:12,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a042b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:12, skipping insertion in model container [2025-02-06 04:54:12,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:04" (2/3) ... [2025-02-06 04:54:12,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a042b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:12, skipping insertion in model container [2025-02-06 04:54:12,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:12" (3/3) ... [2025-02-06 04:54:12,367 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2025-02-06 04:54:12,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:54:12,377 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_advance_harness.i that has 12 procedures, 171 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-02-06 04:54:12,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:54:12,416 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;@671cfa96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:54:12,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:54:12,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 103 states have (on average 1.2233009708737863) internal successors, (126), 104 states have internal predecessors, (126), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 04:54:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 04:54:12,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:54:12,426 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2025-02-06 04:54:12,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:54:12,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:54:12,429 INFO L85 PathProgramCache]: Analyzing trace with hash -758856006, now seen corresponding path program 1 times [2025-02-06 04:54:12,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:54:12,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570706804] [2025-02-06 04:54:12,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:54:12,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:55:19,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 04:55:20,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 04:55:20,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:55:20,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:55:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-02-06 04:55:20,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:55:20,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570706804] [2025-02-06 04:55:20,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570706804] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:55:20,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783499418] [2025-02-06 04:55:20,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:55:20,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:55:20,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:20,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 04:55:20,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process