./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_write_be16_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 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:42:27,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:42:27,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:42:27,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:42:27,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:42:27,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:42:27,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:42:27,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:42:27,638 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:42:27,639 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:42:27,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:42:27,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:42:27,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:42:27,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:42:27,640 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:42:27,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:42:27,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:42:27,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:42:27,641 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:42:27,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:27,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:42:27,642 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:42:27,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:42:27,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:42:27,643 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 -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2025-03-04 02:42:27,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:42:27,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:42:27,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:42:27,859 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:42:27,859 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:42:27,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-03-04 02:42:28,909 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4307b84/09762db0291843ceaaa2ebd2f23e90ef/FLAGab4a88aa6 [2025-03-04 02:42:29,381 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:42:29,381 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2025-03-04 02:42:29,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4307b84/09762db0291843ceaaa2ebd2f23e90ef/FLAGab4a88aa6 [2025-03-04 02:42:29,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f4307b84/09762db0291843ceaaa2ebd2f23e90ef [2025-03-04 02:42:29,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:42:29,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:42:29,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:29,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:42:29,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:42:29,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:29" (1/1) ... [2025-03-04 02:42:29,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da7f044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:29, skipping insertion in model container [2025-03-04 02:42:29,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:42:29" (1/1) ... [2025-03-04 02:42:29,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:42:29,710 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_write_be16_harness.i[4497,4510] [2025-03-04 02:42:29,717 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_write_be16_harness.i[4557,4570] [2025-03-04 02:42:30,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,117 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,118 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:30,598 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:42:30,607 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_write_be16_harness.i[4497,4510] [2025-03-04 02:42:30,608 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_write_be16_harness.i[4557,4570] [2025-03-04 02:42:30,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,647 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,656 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:42:30,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:42:30,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:42:30,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:42:30,964 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:42:30,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30 WrapperNode [2025-03-04 02:42:30,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:42:30,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:30,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:42:30,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:42:30,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,081 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-03-04 02:42:31,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:42:31,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:42:31,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:42:31,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:42:31,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,146 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 8, 47, 4, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 8, 0, 0]. The 497 writes are split as follows [0, 257, 232, 1, 3, 2, 2]. [2025-03-04 02:42:31,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:42:31,206 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:42:31,206 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:42:31,206 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:42:31,207 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (1/1) ... [2025-03-04 02:42:31,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:42:31,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:42:31,230 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) [2025-03-04 02:42:31,232 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 [2025-03-04 02:42:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:42:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:42:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:42:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:42:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:42:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:42:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:42:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:42:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:42:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:42:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:42:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:42:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:42:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:42:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:42:31,482 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:42:31,483 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:42:31,511 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:42:31,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-04 02:42:31,638 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:42:31,644 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:42:38,406 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-03-04 02:42:38,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:42:38,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-03-04 02:42:38,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8584: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2025-03-04 02:42:38,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:42:38,447 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2025-03-04 02:42:38,447 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:42:38,460 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:42:38,461 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:42:38,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:38 BoogieIcfgContainer [2025-03-04 02:42:38,462 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:42:38,464 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:42:38,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:42:38,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:42:38,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:42:29" (1/3) ... [2025-03-04 02:42:38,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9e05ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:38, skipping insertion in model container [2025-03-04 02:42:38,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:42:30" (2/3) ... [2025-03-04 02:42:38,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9e05ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:38, skipping insertion in model container [2025-03-04 02:42:38,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:38" (3/3) ... [2025-03-04 02:42:38,470 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2025-03-04 02:42:38,480 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:42:38,481 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness.i that has 11 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:42:38,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:42:38,532 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;@5df9c1af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:42:38,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:42:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 85 states have (on average 1.223529411764706) internal successors, (104), 86 states have internal predecessors, (104), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-04 02:42:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-04 02:42:38,544 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:42:38,545 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2025-03-04 02:42:38,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:42:38,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:42:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash 765543549, now seen corresponding path program 1 times [2025-03-04 02:42:38,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:42:38,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462964778] [2025-03-04 02:42:38,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:38,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:43:42,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-04 02:43:43,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-04 02:43:43,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:43:43,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:43:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-04 02:43:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:43:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462964778] [2025-03-04 02:43:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462964778] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:43:43,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359179287] [2025-03-04 02:43:43,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:43,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:43:43,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:43,871 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) [2025-03-04 02:43:43,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process