./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_cursor_eq_byte_buf_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:08:20,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:08:20,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:08:20,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:08:20,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:08:20,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:08:20,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:08:20,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:08:20,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:08:20,545 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:08:20,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:08:20,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:08:20,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:08:20,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:08:20,546 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:08:20,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:08:20,547 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:08:20,548 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:08:20,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:08:20,548 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:08:20,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:08:20,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:20,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:08:20,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:20,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:08:20,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:08:20,550 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 -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2025-01-09 17:08:20,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:08:20,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:08:20,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:08:20,750 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:08:20,751 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:08:20,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-01-09 17:08:21,821 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49dea9ca/e7ddf01d96224370acadd08d7a4f7a01/FLAG2d97a7fe4 [2025-01-09 17:08:22,281 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:08:22,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-01-09 17:08:22,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49dea9ca/e7ddf01d96224370acadd08d7a4f7a01/FLAG2d97a7fe4 [2025-01-09 17:08:22,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e49dea9ca/e7ddf01d96224370acadd08d7a4f7a01 [2025-01-09 17:08:22,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:08:22,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:08:22,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:22,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:08:22,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:08:22,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:22" (1/1) ... [2025-01-09 17:08:22,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200c0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:22, skipping insertion in model container [2025-01-09 17:08:22,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:08:22" (1/1) ... [2025-01-09 17:08:22,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:08:22,542 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-01-09 17:08:22,548 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-01-09 17:08:22,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:22,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,435 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:23,540 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:08:23,548 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-01-09 17:08:23,549 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-01-09 17:08:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-01-09 17:08:23,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:08:23,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-01-09 17:08:23,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:08:23,811 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:08:23,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23 WrapperNode [2025-01-09 17:08:23,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:08:23,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:23,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:08:23,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:08:23,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:23,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:23,918 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2025-01-09 17:08:23,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:08:23,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:08:23,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:08:23,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:08:23,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:23,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:23,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,002 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [257, 9, 2, 238, 22, 38, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 5, 2, 6, 2, 8, 0]. The 494 writes are split as follows [257, 0, 0, 232, 1, 2, 2]. [2025-01-09 17:08:24,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:08:24,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:08:24,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:08:24,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:08:24,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (1/1) ... [2025-01-09 17:08:24,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:08:24,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:08:24,103 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) [2025-01-09 17:08:24,106 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 [2025-01-09 17:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:08:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:08:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-01-09 17:08:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:08:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:08:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:08:24,394 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:08:24,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:08:31,761 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2025-01-09 17:08:31,762 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:08:31,769 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:08:31,770 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:08:31,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:31 BoogieIcfgContainer [2025-01-09 17:08:31,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:08:31,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:08:31,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:08:31,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:08:31,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:08:22" (1/3) ... [2025-01-09 17:08:31,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b05e89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:31, skipping insertion in model container [2025-01-09 17:08:31,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:08:23" (2/3) ... [2025-01-09 17:08:31,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b05e89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:31, skipping insertion in model container [2025-01-09 17:08:31,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:31" (3/3) ... [2025-01-09 17:08:31,776 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2025-01-09 17:08:31,785 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:08:31,786 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_byte_buf_harness.i that has 12 procedures, 161 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:08:31,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:08:31,826 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;@1dfd7fcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:08:31,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:08:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-01-09 17:08:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-01-09 17:08:31,835 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:08:31,836 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 17:08:31,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:08:31,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:08:31,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1357620753, now seen corresponding path program 1 times [2025-01-09 17:08:31,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:08:31,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460709534] [2025-01-09 17:08:31,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:08:31,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:09:35,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-01-09 17:09:36,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-01-09 17:09:36,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:09:36,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:09:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2025-01-09 17:09:38,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:09:38,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460709534] [2025-01-09 17:09:38,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460709534] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:09:38,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038754036] [2025-01-09 17:09:38,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:38,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:09:38,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:38,510 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) [2025-01-09 17:09:38,514 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