./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 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_append_harness_negated.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 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:54:22,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:54:22,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:54:22,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:54:22,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:54:22,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:54:22,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:54:22,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:54:22,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:54:22,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:54:22,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:54:22,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:54:22,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:54:22,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:22,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:54:22,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:54:22,219 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 -> 689a562e38ace49351de33b47cbcb3c6d5f59acf10f911a7928d5d2dec3921f0 [2025-02-06 04:54:22,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:54:22,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:54:22,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:54:22,453 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:54:22,453 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:54:22,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-02-06 04:54:23,658 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1322246c/c1f285beb8314a7a91bd088cfd6ce8bc/FLAG91f389af2 [2025-02-06 04:54:24,182 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:54:24,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness_negated.i [2025-02-06 04:54:24,215 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1322246c/c1f285beb8314a7a91bd088cfd6ce8bc/FLAG91f389af2 [2025-02-06 04:54:24,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1322246c/c1f285beb8314a7a91bd088cfd6ce8bc [2025-02-06 04:54:24,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:54:24,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:54:24,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:24,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:54:24,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:54:24,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:24" (1/1) ... [2025-02-06 04:54:24,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1714d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:24, skipping insertion in model container [2025-02-06 04:54:24,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:54:24" (1/1) ... [2025-02-06 04:54:24,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:54:24,539 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_append_harness_negated.i[4493,4506] [2025-02-06 04:54:24,547 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_append_harness_negated.i[4553,4566] [2025-02-06 04:54:25,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,772 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,773 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:25,900 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:54:25,913 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_append_harness_negated.i[4493,4506] [2025-02-06 04:54:25,913 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_append_harness_negated.i[4553,4566] [2025-02-06 04:54:25,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:25,989 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-06 04:54:26,138 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,139 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:54:26,150 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-06 04:54:26,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:54:26,318 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:54:26,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26 WrapperNode [2025-02-06 04:54:26,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:54:26,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:26,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:54:26,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:54:26,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,433 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-02-06 04:54:26,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:54:26,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:54:26,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:54:26,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:54:26,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,496 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 238, 9, 22, 33, 4, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 2, 4, 2, 5]. The 494 writes are split as follows [257, 0, 232, 0, 1, 3, 0, 1]. [2025-02-06 04:54:26,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:54:26,548 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:54:26,549 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:54:26,549 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:54:26,550 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (1/1) ... [2025-02-06 04:54:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:54:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:54:26,615 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 04:54:26,621 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 04:54:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:54:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:54:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 04:54:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:54:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-02-06 04:54:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:54:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-06 04:54:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:54:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:54:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-06 04:54:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:54:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-02-06 04:54:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:54:26,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:54:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:54:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:54:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:54:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 04:54:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-06 04:54:26,920 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:54:26,922 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:54:26,952 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:54:26,953 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:54:27,024 INFO L1309 $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; [2025-02-06 04:54:27,050 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:54:27,079 INFO L1309 $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; [2025-02-06 04:54:27,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7877: havoc #t~ret876; [2025-02-06 04:54:27,120 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 04:54:33,703 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:54:33,704 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-06 04:54:33,759 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-02-06 04:54:33,759 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:54:33,771 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:54:33,772 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:54:33,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:33 BoogieIcfgContainer [2025-02-06 04:54:33,773 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:54:33,775 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:54:33,775 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:54:33,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:54:33,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:54:24" (1/3) ... [2025-02-06 04:54:33,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c327f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:33, skipping insertion in model container [2025-02-06 04:54:33,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:54:26" (2/3) ... [2025-02-06 04:54:33,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c327f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:54:33, skipping insertion in model container [2025-02-06 04:54:33,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:54:33" (3/3) ... [2025-02-06 04:54:33,781 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness_negated.i [2025-02-06 04:54:33,799 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:54:33,800 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. [2025-02-06 04:54:33,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:54:33,891 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;@7659ba6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:54:33,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:54:33,902 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) [2025-02-06 04:54:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 04:54:33,914 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:54:33,915 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] [2025-02-06 04:54:33,915 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:54:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:54:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash -419054029, now seen corresponding path program 1 times [2025-02-06 04:54:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:54:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375221166] [2025-02-06 04:54:33,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:54:33,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:55:54,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 04:55:54,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 04:55:54,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:55:54,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:55:55,712 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-02-06 04:55:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:55:55,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375221166] [2025-02-06 04:55:55,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375221166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:55:55,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651733094] [2025-02-06 04:55:55,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:55:55,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:55:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:55,718 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 04:55:55,719 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