./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_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_byte_buf_append_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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:56:13,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:56:14,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:56:14,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:56:14,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:56:14,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:56:14,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:56:14,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:56:14,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:56:14,051 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:56:14,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:56:14,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:56:14,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:56:14,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:56:14,052 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:56:14,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:56:14,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:56:14,053 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:56:14,053 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:14,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:56:14,054 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:56:14,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:56:14,055 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 -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2025-03-17 06:56:14,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:56:14,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:56:14,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:56:14,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:56:14,314 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:56:14,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-03-17 06:56:15,497 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ba9264/2f3feb2d78bf4b3fb822078083db5c07/FLAGdc36e4472 [2025-03-17 06:56:15,910 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:56:15,910 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-03-17 06:56:15,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ba9264/2f3feb2d78bf4b3fb822078083db5c07/FLAGdc36e4472 [2025-03-17 06:56:15,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c30ba9264/2f3feb2d78bf4b3fb822078083db5c07 [2025-03-17 06:56:15,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:56:15,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:56:15,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:15,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:56:15,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:56:15,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:15" (1/1) ... [2025-03-17 06:56:15,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6daca5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:15, skipping insertion in model container [2025-03-17 06:56:15,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:56:15" (1/1) ... [2025-03-17 06:56:16,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:56:16,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2025-03-17 06:56:16,221 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2025-03-17 06:56:16,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:16,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:17,250 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:56:17,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2025-03-17 06:56:17,263 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2025-03-17 06:56:17,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,306 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,307 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-17 06:56:17,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:56:17,453 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-17 06:56:17,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:56:17,629 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:56:17,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17 WrapperNode [2025-03-17 06:56:17,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:56:17,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:17,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:56:17,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:56:17,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,763 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-03-17 06:56:17,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:56:17,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:56:17,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:56:17,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:56:17,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,847 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [2, 257, 22, 238, 9, 4, 9, 33]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 2, 6, 5, 2, 4, 4]. The 494 writes are split as follows [0, 257, 1, 232, 1, 0, 0, 3]. [2025-03-17 06:56:17,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:56:17,935 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:56:17,936 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:56:17,936 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:56:17,937 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (1/1) ... [2025-03-17 06:56:17,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:56:17,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:56:17,967 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 06:56:17,969 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 06:56:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:56:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:56:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 06:56:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:56:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:56:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:56:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-03-17 06:56:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-03-17 06:56:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:56:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 06:56:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:56:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:56:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 06:56:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 06:56:17,995 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 06:56:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:56:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:56:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:56:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:56:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:56:17,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:56:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 06:56:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:56:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:56:17,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-17 06:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 06:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 06:56:17,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 06:56:18,228 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:56:18,230 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:56:18,272 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:56:18,276 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 06:56:18,373 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-17 06:56:18,393 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:56:18,423 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7409: havoc #t~mem697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~mem701;havoc #t~mem702.base, #t~mem702.offset;havoc #t~short703;havoc #t~short704;havoc #t~short705;havoc #t~short706; [2025-03-17 06:56:18,457 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7909: havoc #t~ret876; [2025-03-17 06:56:18,471 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 06:56:25,270 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-17 06:56:25,270 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:56:25,425 INFO L? ?]: Removed 90 outVars from TransFormulas that were not future-live. [2025-03-17 06:56:25,426 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:56:25,436 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:56:25,437 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:56:25,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:25 BoogieIcfgContainer [2025-03-17 06:56:25,438 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:56:25,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:56:25,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:56:25,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:56:25,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:56:15" (1/3) ... [2025-03-17 06:56:25,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b81596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:25, skipping insertion in model container [2025-03-17 06:56:25,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:56:17" (2/3) ... [2025-03-17 06:56:25,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b81596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:56:25, skipping insertion in model container [2025-03-17 06:56:25,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:56:25" (3/3) ... [2025-03-17 06:56:25,444 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2025-03-17 06:56:25,454 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:56:25,456 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 163 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:56:25,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:56:25,507 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;@170e2381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:56:25,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:56:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 100 states have (on average 1.22) internal successors, (122), 101 states have internal predecessors, (122), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 06:56:25,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 06:56:25,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:56:25,519 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 06:56:25,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:56:25,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:56:25,525 INFO L85 PathProgramCache]: Analyzing trace with hash -361234931, now seen corresponding path program 1 times [2025-03-17 06:56:25,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:56:25,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239905930] [2025-03-17 06:56:25,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:56:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:57:32,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 06:57:33,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 06:57:33,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:57:33,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:57:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-17 06:57:34,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:57:34,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239905930] [2025-03-17 06:57:34,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239905930] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:57:34,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710559117] [2025-03-17 06:57:34,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:57:34,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:57:34,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:57:34,023 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 06:57:34,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process