./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:05:07,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:05:07,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:05:07,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:05:07,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:05:07,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:05:07,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:05:07,262 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:05:07,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:05:07,263 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:05:07,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:05:07,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:05:07,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:05:07,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:05:07,264 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:05:07,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:05:07,265 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:05:07,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:07,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:05:07,266 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ec24500153ff48401c44b6cbf6e64bbffda498093f21927cfcfb52ad2376ab [2025-02-06 05:05:07,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:05:07,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:05:07,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:05:07,476 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:05:07,476 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:05:07,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-02-06 05:05:08,714 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5bf66b1fb/ac64a68e516a49a9bf65f906de1a8cc6/FLAG93250ff99 [2025-02-06 05:05:09,125 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:05:09,126 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-02-06 05:05:09,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5bf66b1fb/ac64a68e516a49a9bf65f906de1a8cc6/FLAG93250ff99 [2025-02-06 05:05:09,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5bf66b1fb/ac64a68e516a49a9bf65f906de1a8cc6 [2025-02-06 05:05:09,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:05:09,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:05:09,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:09,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:05:09,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:05:09,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:09" (1/1) ... [2025-02-06 05:05:09,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1756629a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:09, skipping insertion in model container [2025-02-06 05:05:09,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:05:09" (1/1) ... [2025-02-06 05:05:09,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:05:09,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2025-02-06 05:05:09,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2025-02-06 05:05:09,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,817 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,818 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,819 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,827 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:09,829 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:10,287 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:05:10,298 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4498,4511] [2025-02-06 05:05:10,301 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i[4558,4571] [2025-02-06 05:05:10,332 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,333 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,341 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,446 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-02-06 05:05:10,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:05:10,457 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-02-06 05:05:10,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:05:10,607 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:05:10,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10 WrapperNode [2025-02-06 05:05:10,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:05:10,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:10,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:05:10,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:05:10,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,707 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-02-06 05:05:10,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:05:10,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:05:10,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:05:10,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:05:10,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,732 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,778 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 6, 257, 247, 39, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 11, 8, 2]. The 495 writes are split as follows [0, 2, 257, 232, 2, 2]. [2025-02-06 05:05:10,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,802 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:05:10,829 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:05:10,829 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:05:10,829 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:05:10,830 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (1/1) ... [2025-02-06 05:05:10,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:05:10,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:05:10,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:05:10,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:05:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:05:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:05:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-06 05:05:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:05:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:05:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:05:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:05:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-02-06 05:05:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:05:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:05:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:05:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:05:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:05:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:05:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:05:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:05:10,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:05:11,091 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:05:11,092 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:05:11,125 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:05:11,144 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:05:11,195 INFO L1309 $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; [2025-02-06 05:05:11,208 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:05:11,240 INFO L1309 $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; [2025-02-06 05:05:11,260 INFO L1309 $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; [2025-02-06 05:05:18,262 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:05:18,262 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 05:05:18,284 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-02-06 05:05:18,284 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:05:18,298 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:05:18,298 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:05:18,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:18 BoogieIcfgContainer [2025-02-06 05:05:18,298 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:05:18,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:05:18,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:05:18,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:05:18,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:05:09" (1/3) ... [2025-02-06 05:05:18,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3165d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:18, skipping insertion in model container [2025-02-06 05:05:18,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:05:10" (2/3) ... [2025-02-06 05:05:18,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3165d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:05:18, skipping insertion in model container [2025-02-06 05:05:18,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:05:18" (3/3) ... [2025-02-06 05:05:18,308 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2025-02-06 05:05:18,317 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:05:18,318 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. [2025-02-06 05:05:18,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:05:18,373 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;@7a5080f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:05:18,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:05:18,375 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) [2025-02-06 05:05:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 05:05:18,380 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:05:18,380 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] [2025-02-06 05:05:18,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:05:18,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:05:18,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-02-06 05:05:18,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:05:18,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961787152] [2025-02-06 05:05:18,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:05:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:06:25,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 05:06:26,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 05:06:26,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:06:26,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:06:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-06 05:06:26,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:06:26,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961787152] [2025-02-06 05:06:26,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961787152] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:06:26,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592358097] [2025-02-06 05:06:26,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:06:26,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:06:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:06:26,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:06:26,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process