./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_negated.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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:41:52,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:41:52,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:41:52,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:41:52,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:41:52,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:41:52,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:41:52,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:41:52,226 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:41:52,226 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:41:52,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:41:52,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:41:52,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:41:52,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:41:52,227 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:41:52,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:41:52,228 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:41:52,229 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:41:52,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:41:52,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:41:52,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:41:52,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:52,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:41:52,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:41:52,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:41:52,230 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-02-08 01:41:52,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:41:52,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:41:52,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:41:52,491 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:41:52,491 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:41:52,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-02-08 01:41:53,675 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da775917d/d9f37ff8177741308f434e3bd00aee08/FLAG393a83864 [2025-02-08 01:41:54,101 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:41:54,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-02-08 01:41:54,125 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da775917d/d9f37ff8177741308f434e3bd00aee08/FLAG393a83864 [2025-02-08 01:41:54,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/da775917d/d9f37ff8177741308f434e3bd00aee08 [2025-02-08 01:41:54,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:41:54,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:41:54,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:54,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:41:54,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:41:54,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:54" (1/1) ... [2025-02-08 01:41:54,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a92921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:54, skipping insertion in model container [2025-02-08 01:41:54,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:41:54" (1/1) ... [2025-02-08 01:41:54,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:41:54,529 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_negated.i[4498,4511] [2025-02-08 01:41:54,536 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_negated.i[4558,4571] [2025-02-08 01:41:55,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,144 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,145 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,158 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,161 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:55,728 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:41:55,743 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_negated.i[4498,4511] [2025-02-08 01:41:55,745 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_negated.i[4558,4571] [2025-02-08 01:41:55,785 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-08 01:41:55,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:41:55,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-08 01:41:55,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:41:56,097 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:41:56,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56 WrapperNode [2025-02-08 01:41:56,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:41:56,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:56,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:41:56,099 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:41:56,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,231 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-02-08 01:41:56,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:41:56,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:41:56,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:41:56,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:41:56,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,301 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 6, 39, 247, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 8, 11, 2]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2025-02-08 01:41:56,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:41:56,363 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:41:56,363 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:41:56,363 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:41:56,367 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (1/1) ... [2025-02-08 01:41:56,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:41:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:56,397 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) [2025-02-08 01:41:56,400 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 [2025-02-08 01:41:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:41:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:41:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:41:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:41:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:41:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:41:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:41:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:41:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:41:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:41:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:41:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:41:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:41:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:41:56,698 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:41:56,713 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:41:56,756 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:41:56,777 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:41:56,817 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: 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; [2025-02-08 01:41:56,832 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:41:56,858 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: 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; [2025-02-08 01:41:56,880 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8208: 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; [2025-02-08 01:42:03,939 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:42:03,940 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:42:03,940 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#4(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#2(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:42:03,941 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#2(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#2(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:42:04,140 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2025-02-08 01:42:04,140 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:42:04,148 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:42:04,150 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:42:04,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:04 BoogieIcfgContainer [2025-02-08 01:42:04,151 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:42:04,152 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:42:04,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:42:04,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:42:04,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:41:54" (1/3) ... [2025-02-08 01:42:04,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61652611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:04, skipping insertion in model container [2025-02-08 01:42:04,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:41:56" (2/3) ... [2025-02-08 01:42:04,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61652611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:42:04, skipping insertion in model container [2025-02-08 01:42:04,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:42:04" (3/3) ... [2025-02-08 01:42:04,158 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-02-08 01:42:04,169 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:42:04,171 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 123 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:42:04,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:42:04,216 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;@3192c6bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:42:04,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:42:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 85 states have internal predecessors, (104), 27 states have call successors, (27), 10 states have call predecessors, (27), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 01:42:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 01:42:04,224 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:42:04,225 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] [2025-02-08 01:42:04,225 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:42:04,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:42:04,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1676623190, now seen corresponding path program 1 times [2025-02-08 01:42:04,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:42:04,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30606149] [2025-02-08 01:42:04,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:42:04,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:43:10,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 01:43:11,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 01:43:11,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:43:11,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:43:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 01:43:11,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:43:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30606149] [2025-02-08 01:43:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30606149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:43:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883631369] [2025-02-08 01:43:11,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:43:11,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:43:11,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:43:11,925 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) [2025-02-08 01:43:11,926 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