./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:48:00,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:48:00,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:48:00,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:48:00,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:48:00,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:48:00,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:48:00,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:48:00,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:48:00,286 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:48:00,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:48:00,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:48:00,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:48:00,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:48:00,287 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:48:00,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:48:00,288 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:48:00,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:00,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:48:00,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:48:00,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:48:00,290 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 -> 9a96b91703f0cc76adc9b0fdbd8386a96920c1be21a810b6415a59c2166f1461 [2025-03-08 17:48:00,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:48:00,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:48:00,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:48:00,540 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:48:00,540 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:48:00,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-03-08 17:48:01,709 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ed85246/d07a41480d4f44128784e6e80be0b271/FLAG7576ecd96 [2025-03-08 17:48:02,175 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:48:02,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness.i [2025-03-08 17:48:02,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ed85246/d07a41480d4f44128784e6e80be0b271/FLAG7576ecd96 [2025-03-08 17:48:02,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ed85246/d07a41480d4f44128784e6e80be0b271 [2025-03-08 17:48:02,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:48:02,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:48:02,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:02,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:48:02,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:48:02,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:02" (1/1) ... [2025-03-08 17:48:02,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0435c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:02, skipping insertion in model container [2025-03-08 17:48:02,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:02" (1/1) ... [2025-03-08 17:48:02,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:48:02,579 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_buf_advance_harness.i[4494,4507] [2025-03-08 17:48:02,587 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_buf_advance_harness.i[4554,4567] [2025-03-08 17:48:03,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,127 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,524 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:03,635 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:48:03,643 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_buf_advance_harness.i[4494,4507] [2025-03-08 17:48:03,643 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_buf_advance_harness.i[4554,4567] [2025-03-08 17:48:03,682 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,684 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:48:03,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,787 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:03,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:48:03,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:03,992 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:48:03,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03 WrapperNode [2025-03-08 17:48:03,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:03,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:03,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:48:03,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:48:03,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,133 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 974 [2025-03-08 17:48:04,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:04,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:48:04,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:48:04,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:48:04,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,149 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,205 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 2, 245, 81, 6]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 11, 12, 0]. The 508 writes are split as follows [257, 0, 232, 17, 2]. [2025-03-08 17:48:04,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,226 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,229 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:48:04,243 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:48:04,243 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:48:04,244 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:48:04,248 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (1/1) ... [2025-03-08 17:48:04,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:48:04,280 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 17:48:04,282 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 17:48:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:48:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:48:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:48:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:48:04,299 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:48:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:48:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:48:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:48:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:48:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:48:04,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:48:04,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:48:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:48:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-08 17:48:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 17:48:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 17:48:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 17:48:04,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:48:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:48:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:48:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:48:04,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:48:04,526 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:48:04,528 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:48:04,553 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:48:04,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-03-08 17:48:04,636 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-03-08 17:48:04,647 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:48:04,658 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-08 17:48:11,335 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8237: havoc aws_byte_buf_from_array_#t~mem1061#1;havoc aws_byte_buf_from_array_#t~mem1062#1.base, aws_byte_buf_from_array_#t~mem1062#1.offset;havoc aws_byte_buf_from_array_#t~mem1063#1;havoc aws_byte_buf_from_array_#t~mem1064#1.base, aws_byte_buf_from_array_#t~mem1064#1.offset;call ULTIMATE.dealloc(aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset);havoc aws_byte_buf_from_array_~#buf~1#1.base, aws_byte_buf_from_array_~#buf~1#1.offset; [2025-03-08 17:48:11,335 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:48:11,401 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2025-03-08 17:48:11,401 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:48:11,413 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:48:11,415 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:48:11,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:48:11 BoogieIcfgContainer [2025-03-08 17:48:11,415 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:48:11,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:48:11,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:48:11,420 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:48:11,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:48:02" (1/3) ... [2025-03-08 17:48:11,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578c37e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:48:11, skipping insertion in model container [2025-03-08 17:48:11,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:03" (2/3) ... [2025-03-08 17:48:11,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578c37e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:48:11, skipping insertion in model container [2025-03-08 17:48:11,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:48:11" (3/3) ... [2025-03-08 17:48:11,423 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness.i [2025-03-08 17:48:11,434 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:48:11,436 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_advance_harness.i that has 12 procedures, 170 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-03-08 17:48:11,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:48:11,489 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;@6e052c36, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:48:11,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:48:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 103 states have internal predecessors, (125), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-03-08 17:48:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-03-08 17:48:11,501 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:48:11,502 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:48:11,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:48:11,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:48:11,507 INFO L85 PathProgramCache]: Analyzing trace with hash -140569671, now seen corresponding path program 1 times [2025-03-08 17:48:11,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:48:11,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105251289] [2025-03-08 17:48:11,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:48:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:49:20,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-03-08 17:49:20,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-03-08 17:49:20,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:49:20,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:49:21,424 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-03-08 17:49:21,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:49:21,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105251289] [2025-03-08 17:49:21,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105251289] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:49:21,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809340760] [2025-03-08 17:49:21,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:49:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:21,427 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 17:49:21,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process