./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_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_advance_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 f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:56:00,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:56:00,100 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:56:00,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:56:00,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:56:00,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:56:00,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:56:00,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:56:00,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:56:00,128 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:56:00,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:56:00,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:56:00,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:56:00,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:56:00,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:56:00,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:56:00,131 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:00,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:56:00,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:56:00,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:56:00,133 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 -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2025-03-08 17:56:00,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:56:00,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:56:00,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:56:00,346 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:56:00,346 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:56:00,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2025-03-08 17:56:01,450 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ab82a09/8bc9b8bef0564d479d73a40f09ae9e61/FLAG0919f7f37 [2025-03-08 17:56:01,962 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:56:01,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2025-03-08 17:56:01,993 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ab82a09/8bc9b8bef0564d479d73a40f09ae9e61/FLAG0919f7f37 [2025-03-08 17:56:02,020 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ab82a09/8bc9b8bef0564d479d73a40f09ae9e61 [2025-03-08 17:56:02,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:56:02,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:56:02,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:02,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:56:02,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:56:02,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:02" (1/1) ... [2025-03-08 17:56:02,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c6c362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:02, skipping insertion in model container [2025-03-08 17:56:02,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:02" (1/1) ... [2025-03-08 17:56:02,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:56:02,257 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_advance_harness.i[4497,4510] [2025-03-08 17:56:02,264 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_advance_harness.i[4557,4570] [2025-03-08 17:56:02,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,678 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:02,694 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:03,185 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:56:03,197 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_advance_harness.i[4497,4510] [2025-03-08 17:56:03,198 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_advance_harness.i[4557,4570] [2025-03-08 17:56:03,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,229 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-08 17:56:03,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:03,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-08 17:56:03,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:03,520 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:56:03,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03 WrapperNode [2025-03-08 17:56:03,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:03,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:03,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:56:03,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:56:03,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,652 INFO L138 Inliner]: procedures = 679, calls = 2636, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 884 [2025-03-08 17:56:03,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:03,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:56:03,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:56:03,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:56:03,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,667 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,710 INFO L175 MemorySlicer]: Split 555 memory accesses to 7 slices as follows [37, 2, 257, 6, 240, 8, 5]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [4, 2, 0, 0, 6, 2, 5]. The 498 writes are split as follows [7, 0, 257, 2, 232, 0, 0]. [2025-03-08 17:56:03,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,737 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:56:03,753 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:56:03,753 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:56:03,753 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:56:03,754 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (1/1) ... [2025-03-08 17:56:03,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:56:03,777 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 17:56:03,782 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 17:56:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:03,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:03,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:56:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:56:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:56:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:56:03,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:56:03,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:03,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:56:03,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:56:03,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:56:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:56:03,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:56:03,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:56:04,077 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:56:04,078 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:56:04,100 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:56:04,119 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:56:04,150 INFO L1307 $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; [2025-03-08 17:56:10,768 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:56:10,768 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8313: havoc aws_byte_cursor_advance_#t~mem1093#1;havoc aws_byte_cursor_advance_#t~mem1094#1.base, aws_byte_cursor_advance_#t~mem1094#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_~#rv~6#1.base, aws_byte_cursor_advance_~#rv~6#1.offset);havoc aws_byte_cursor_advance_~#rv~6#1.base, aws_byte_cursor_advance_~#rv~6#1.offset; [2025-03-08 17:56:10,799 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2025-03-08 17:56:10,799 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:56:10,809 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:56:10,810 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:56:10,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:10 BoogieIcfgContainer [2025-03-08 17:56:10,810 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:56:10,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:56:10,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:56:10,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:56:10,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:56:02" (1/3) ... [2025-03-08 17:56:10,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c023ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:10, skipping insertion in model container [2025-03-08 17:56:10,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:03" (2/3) ... [2025-03-08 17:56:10,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c023ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:10, skipping insertion in model container [2025-03-08 17:56:10,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:10" (3/3) ... [2025-03-08 17:56:10,817 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2025-03-08 17:56:10,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:56:10,829 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_advance_harness.i that has 7 procedures, 90 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 17:56:10,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:56:10,876 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;@3b9346ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:56:10,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:56:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 61 states have internal predecessors, (76), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-08 17:56:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-08 17:56:10,884 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:56:10,885 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2025-03-08 17:56:10,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:56:10,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:56:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash -338358097, now seen corresponding path program 1 times [2025-03-08 17:56:10,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:56:10,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605779493] [2025-03-08 17:56:10,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:56:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:57:16,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-08 17:57:16,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-08 17:57:16,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:57:16,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:57:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-03-08 17:57:17,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:57:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605779493] [2025-03-08 17:57:17,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605779493] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:57:17,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562900957] [2025-03-08 17:57:17,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:57:17,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:57:17,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:57:17,389 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 17:57:17,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process