./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 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_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-?-e2fb8be-m [2025-03-08 17:58:25,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:58:25,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:58:25,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:58:25,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:58:25,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:58:25,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:58:25,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:58:25,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:58:25,385 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:58:25,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:58:25,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:58:25,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:58:25,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:58:25,386 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:58:25,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:58:25,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:58:25,387 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:58:25,388 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:25,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:58:25,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:58:25,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:58:25,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:58:25,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:58:25,389 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 [2025-03-08 17:58:25,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:58:25,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:58:25,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:58:25,592 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:58:25,592 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:58:25,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-03-08 17:58:26,713 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa9a75f8/40982221b3234bb08c5601dd754d080d/FLAG566dc9a42 [2025-03-08 17:58:27,188 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:58:27,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness.i [2025-03-08 17:58:27,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa9a75f8/40982221b3234bb08c5601dd754d080d/FLAG566dc9a42 [2025-03-08 17:58:27,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfa9a75f8/40982221b3234bb08c5601dd754d080d [2025-03-08 17:58:27,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:58:27,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:58:27,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:27,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:58:27,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:58:27,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:27" (1/1) ... [2025-03-08 17:58:27,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f33c641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:27, skipping insertion in model container [2025-03-08 17:58:27,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:58:27" (1/1) ... [2025-03-08 17:58:27,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:58:27,508 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] [2025-03-08 17:58:27,517 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] [2025-03-08 17:58:27,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,942 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,953 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:27,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:28,469 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:58:28,481 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] [2025-03-08 17:58:28,483 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] [2025-03-08 17:58:28,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,511 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,512 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,516 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,517 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-08 17:58:28,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:58:28,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-08 17:58:28,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:58:28,802 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:58:28,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28 WrapperNode [2025-03-08 17:58:28,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:58:28,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:28,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:58:28,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:58:28,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:28,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:28,917 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-03-08 17:58:28,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:58:28,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:58:28,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:58:28,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:58:28,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:28,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:28,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,004 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 6, 14, 247, 39]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 2, 11, 8]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2025-03-08 17:58:29,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,036 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:58:29,061 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:58:29,061 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:58:29,061 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:58:29,062 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (1/1) ... [2025-03-08 17:58:29,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:58:29,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:58:29,089 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 17:58:29,093 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 17:58:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:58:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:58:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:58:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:58:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:58:29,111 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:58:29,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:58:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:58:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:58:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:58:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:58:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:58:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:58:29,360 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:58:29,361 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:58:29,390 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:58:29,411 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:58:29,466 INFO L1307 $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; [2025-03-08 17:58:29,477 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:58:29,499 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 17:58:29,511 INFO L1307 $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; [2025-03-08 17:58:36,481 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:58:36,481 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:58:36,504 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2025-03-08 17:58:36,504 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:58:36,513 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:58:36,513 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:58:36,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:36 BoogieIcfgContainer [2025-03-08 17:58:36,513 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:58:36,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:58:36,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:58:36,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:58:36,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:58:27" (1/3) ... [2025-03-08 17:58:36,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1767bf17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:36, skipping insertion in model container [2025-03-08 17:58:36,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:58:28" (2/3) ... [2025-03-08 17:58:36,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1767bf17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:58:36, skipping insertion in model container [2025-03-08 17:58:36,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:58:36" (3/3) ... [2025-03-08 17:58:36,519 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2025-03-08 17:58:36,529 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:58:36,531 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. [2025-03-08 17:58:36,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:58:36,586 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;@6b0167d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:58:36,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:58:36,590 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) [2025-03-08 17:58:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-08 17:58:36,597 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:58:36,598 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] [2025-03-08 17:58:36,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:58:36,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:58:36,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1102452, now seen corresponding path program 1 times [2025-03-08 17:58:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:58:36,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493019440] [2025-03-08 17:58:36,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:58:36,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:59:43,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 17:59:43,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 17:59:43,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:59:43,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:59:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-08 17:59:44,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:59:44,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493019440] [2025-03-08 17:59:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493019440] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:59:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290999967] [2025-03-08 17:59:44,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:59:44,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:59:44,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:59:44,602 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 17:59:44,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process