./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_negated.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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:48:52,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:48:52,372 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:48:52,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:48:52,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:48:52,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:48:52,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:48:52,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:48:52,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:48:52,399 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:48:52,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:48:52,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:48:52,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:48:52,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:48:52,400 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:48:52,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:48:52,401 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:48:52,401 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:52,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:48:52,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:48:52,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:48:52,403 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 -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2025-03-08 17:48:52,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:48:52,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:48:52,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:48:52,630 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:48:52,631 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:48:52,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-08 17:48:53,782 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330fe70c7/9b59550cf223447cb504cb17346aaece/FLAGe2d5695d7 [2025-03-08 17:48:54,277 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:48:54,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-03-08 17:48:54,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330fe70c7/9b59550cf223447cb504cb17346aaece/FLAGe2d5695d7 [2025-03-08 17:48:54,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/330fe70c7/9b59550cf223447cb504cb17346aaece [2025-03-08 17:48:54,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:48:54,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:48:54,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:54,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:48:54,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:48:54,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:54" (1/1) ... [2025-03-08 17:48:54,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1805a39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:54, skipping insertion in model container [2025-03-08 17:48:54,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:54" (1/1) ... [2025-03-08 17:48:54,415 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:48:54,578 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_byte_buf_append_harness_negated.i[4493,4506] [2025-03-08 17:48:54,584 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_negated.i[4553,4566] [2025-03-08 17:48:55,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,001 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,002 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,014 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:55,503 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:48:55,517 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_negated.i[4493,4506] [2025-03-08 17:48:55,517 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_negated.i[4553,4566] [2025-03-08 17:48:55,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,553 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,564 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,565 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-08 17:48:55,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:55,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-08 17:48:55,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:55,816 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:48:55,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55 WrapperNode [2025-03-08 17:48:55,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:55,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:55,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:48:55,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:48:55,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,910 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-03-08 17:48:55,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:55,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:48:55,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:48:55,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:48:55,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,988 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [33, 257, 2, 4, 238, 22, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [4, 0, 2, 2, 6, 2, 4, 5]. The 494 writes are split as follows [3, 257, 0, 0, 232, 1, 0, 1]. [2025-03-08 17:48:55,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:55,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:48:56,029 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:48:56,029 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:48:56,029 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:48:56,030 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (1/1) ... [2025-03-08 17:48:56,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:56,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:48:56,053 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) [2025-03-08 17:48:56,056 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 [2025-03-08 17:48:56,071 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:48:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:48:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:48:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:48:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:48:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-03-08 17:48:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:48:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:48:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:48:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-08 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:48:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:48:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:48:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:48:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:48:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:48:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:48:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:48:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:48:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:48:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:48:56,315 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:48:56,317 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:48:56,343 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:48:56,346 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:48:56,427 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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; [2025-03-08 17:48:56,447 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:48:56,474 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: 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; [2025-03-08 17:48:56,509 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc #t~ret876; [2025-03-08 17:48:56,515 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:49:03,049 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:49:03,049 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-08 17:49:03,113 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-03-08 17:49:03,114 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:49:03,125 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:49:03,125 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:49:03,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:03 BoogieIcfgContainer [2025-03-08 17:49:03,125 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:49:03,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:49:03,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:49:03,133 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:49:03,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:48:54" (1/3) ... [2025-03-08 17:49:03,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cdc620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:03, skipping insertion in model container [2025-03-08 17:49:03,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:55" (2/3) ... [2025-03-08 17:49:03,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12cdc620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:03, skipping insertion in model container [2025-03-08 17:49:03,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:03" (3/3) ... [2025-03-08 17:49:03,135 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2025-03-08 17:49:03,146 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:49:03,148 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness_negated.i that has 14 procedures, 169 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:49:03,191 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:49:03,200 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;@7a6355ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:49:03,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:49:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 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) [2025-03-08 17:49:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-08 17:49:03,211 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:49:03,211 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, 1, 1, 1] [2025-03-08 17:49:03,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:49:03,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:49:03,215 INFO L85 PathProgramCache]: Analyzing trace with hash -419054029, now seen corresponding path program 1 times [2025-03-08 17:49:03,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:49:03,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786061210] [2025-03-08 17:49:03,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:03,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:50:13,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-08 17:50:14,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-08 17:50:14,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:50:14,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:50:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-08 17:50:15,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:50:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786061210] [2025-03-08 17:50:15,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786061210] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:50:15,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076537550] [2025-03-08 17:50:15,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:50:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:50:15,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:50:15,162 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) [2025-03-08 17:50:15,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process