./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 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_cursor_eq_byte_buf_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:56:34,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:56:35,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:56:35,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:56:35,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:56:35,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:56:35,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:56:35,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:56:35,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:56:35,032 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:56:35,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:56:35,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:56:35,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:56:35,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:56:35,033 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:56:35,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:56:35,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:56:35,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:35,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:56:35,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:56:35,035 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 -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2025-03-08 17:56:35,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:56:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:56:35,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:56:35,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:56:35,254 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:56:35,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-08 17:56:36,367 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818833f88/5cc61af805704fcebdee5fe4c66ca6fb/FLAGf8ea2d57a [2025-03-08 17:56:36,799 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:56:36,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-08 17:56:36,827 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818833f88/5cc61af805704fcebdee5fe4c66ca6fb/FLAGf8ea2d57a [2025-03-08 17:56:36,837 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/818833f88/5cc61af805704fcebdee5fe4c66ca6fb [2025-03-08 17:56:36,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:56:36,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:56:36,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:36,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:56:36,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:56:36,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:36" (1/1) ... [2025-03-08 17:56:36,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4778b0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:36, skipping insertion in model container [2025-03-08 17:56:36,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:36" (1/1) ... [2025-03-08 17:56:36,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:56:37,048 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-08 17:56:37,054 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-08 17:56:37,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,499 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,500 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,513 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,514 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:37,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:38,024 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:56:38,036 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-08 17:56:38,037 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-08 17:56:38,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,073 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-08 17:56:38,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:38,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-08 17:56:38,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:38,340 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:56:38,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38 WrapperNode [2025-03-08 17:56:38,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:38,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:38,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:56:38,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:56:38,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,475 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2025-03-08 17:56:38,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:38,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:56:38,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:56:38,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:56:38,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,526 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [38, 257, 2, 238, 22, 6, 9]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [8, 0, 2, 6, 2, 0, 5]. The 494 writes are split as follows [2, 257, 0, 232, 1, 2, 0]. [2025-03-08 17:56:38,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,547 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:56:38,573 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:56:38,573 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:56:38,573 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:56:38,574 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (1/1) ... [2025-03-08 17:56:38,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:38,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:56:38,602 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 17:56:38,605 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 17:56:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:56:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:56:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:56:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:56:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:56:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:56:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:56:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:56:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:56:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:56:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:56:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:56:38,870 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:56:38,872 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:56:38,904 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:56:38,943 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:56:38,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:56:38,966 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-08 17:56:38,999 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-03-08 17:56:39,011 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:56:39,038 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-08 17:56:45,527 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-08 17:56:45,527 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:56:45,559 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2025-03-08 17:56:45,559 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:56:45,566 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:56:45,566 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:56:45,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:45 BoogieIcfgContainer [2025-03-08 17:56:45,566 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:56:45,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:56:45,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:56:45,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:56:45,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:56:36" (1/3) ... [2025-03-08 17:56:45,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687e6897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:45, skipping insertion in model container [2025-03-08 17:56:45,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:38" (2/3) ... [2025-03-08 17:56:45,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687e6897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:45, skipping insertion in model container [2025-03-08 17:56:45,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:45" (3/3) ... [2025-03-08 17:56:45,573 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2025-03-08 17:56:45,582 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:56:45,583 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. [2025-03-08 17:56:45,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:56:45,623 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;@3ce4bd19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:56:45,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:56:45,626 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) [2025-03-08 17:56:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 17:56:45,633 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:56:45,634 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] [2025-03-08 17:56:45,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:56:45,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:56:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash 450293066, now seen corresponding path program 1 times [2025-03-08 17:56:45,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:56:45,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379590410] [2025-03-08 17:56:45,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:56:45,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:57:54,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-08 17:57:55,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-08 17:57:55,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:57:55,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:57:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-03-08 17:57:56,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:57:56,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379590410] [2025-03-08 17:57:56,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379590410] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:57:56,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561592939] [2025-03-08 17:57:56,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:57:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:57:56,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:57:56,169 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 17:57:56,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process