./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_from_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 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:47:19,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:47:19,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:47:19,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:47:19,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:47:19,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:47:19,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:47:19,504 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:47:19,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:47:19,504 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:47:19,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:47:19,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:47:19,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:47:19,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:47:19,505 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:47:19,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:47:19,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:47:19,507 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:19,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:47:19,507 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:47:19,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:47:19,508 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 -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2025-03-04 02:47:19,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:47:19,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:47:19,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:47:19,753 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:47:19,753 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:47:19,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-03-04 02:47:20,892 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7018b8d6/bb6a32e30b2f469eaf06a6f001768ec2/FLAG01211fb1c [2025-03-04 02:47:21,438 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:47:21,439 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-03-04 02:47:21,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7018b8d6/bb6a32e30b2f469eaf06a6f001768ec2/FLAG01211fb1c [2025-03-04 02:47:21,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7018b8d6/bb6a32e30b2f469eaf06a6f001768ec2 [2025-03-04 02:47:21,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:47:21,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:47:21,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:21,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:47:21,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:47:21,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:21" (1/1) ... [2025-03-04 02:47:21,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78dc532f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:21, skipping insertion in model container [2025-03-04 02:47:21,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:47:21" (1/1) ... [2025-03-04 02:47:21,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:47:21,781 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_from_buf_harness.i[4498,4511] [2025-03-04 02:47:21,790 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_from_buf_harness.i[4558,4571] [2025-03-04 02:47:22,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:22,978 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:23,120 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:47:23,134 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_from_buf_harness.i[4498,4511] [2025-03-04 02:47:23,135 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_from_buf_harness.i[4558,4571] [2025-03-04 02:47:23,166 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,173 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,177 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-04 02:47:23,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:47:23,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-04 02:47:23,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:47:23,448 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:47:23,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23 WrapperNode [2025-03-04 02:47:23,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:47:23,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:23,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:47:23,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:47:23,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,573 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-03-04 02:47:23,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:47:23,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:47:23,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:47:23,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:47:23,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,665 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 6, 247, 14, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 11, 2, 8]. The 495 writes are split as follows [0, 257, 2, 232, 2, 2]. [2025-03-04 02:47:23,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:47:23,717 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:47:23,717 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:47:23,717 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:47:23,718 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (1/1) ... [2025-03-04 02:47:23,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:47:23,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:47:23,752 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) [2025-03-04 02:47:23,755 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 [2025-03-04 02:47:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:47:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:47:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:47:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:47:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:47:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-03-04 02:47:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:47:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:47:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:47:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:47:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:47:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:47:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:47:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:47:24,015 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:47:24,017 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:47:24,050 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:47:24,081 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:47:24,136 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-04 02:47:24,150 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:47:24,182 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-04 02:47:24,210 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8240: havoc #t~mem1071;havoc #t~mem1072.base, #t~mem1072.offset;call ULTIMATE.dealloc(~#cur~0.base, ~#cur~0.offset);havoc ~#cur~0.base, ~#cur~0.offset; [2025-03-04 02:47:31,199 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:47:31,199 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:47:31,225 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-03-04 02:47:31,225 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:47:31,235 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:47:31,235 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:47:31,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:31 BoogieIcfgContainer [2025-03-04 02:47:31,236 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:47:31,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:47:31,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:47:31,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:47:31,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:47:21" (1/3) ... [2025-03-04 02:47:31,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3445aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:31, skipping insertion in model container [2025-03-04 02:47:31,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:47:23" (2/3) ... [2025-03-04 02:47:31,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3445aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:47:31, skipping insertion in model container [2025-03-04 02:47:31,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:47:31" (3/3) ... [2025-03-04 02:47:31,245 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2025-03-04 02:47:31,256 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:47:31,258 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness.i that has 11 procedures, 128 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-04 02:47:31,307 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:47:31,316 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;@8b36372, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:47:31,317 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:47:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-04 02:47:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-04 02:47:31,327 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:47:31,328 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-03-04 02:47:31,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:47:31,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:47:31,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-03-04 02:47:31,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:47:31,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044607426] [2025-03-04 02:47:31,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:47:31,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:48:39,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-04 02:48:40,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-04 02:48:40,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:48:40,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:48:40,882 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-04 02:48:40,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:48:40,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044607426] [2025-03-04 02:48:40,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044607426] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:48:40,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647176934] [2025-03-04 02:48:40,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:48:40,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:48:40,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:48:40,888 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) [2025-03-04 02:48:40,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process