./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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_from_whole_buffer_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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:43:22,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:43:22,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:43:22,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:43:22,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:43:22,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:43:22,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:43:22,273 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:43:22,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:43:22,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:43:22,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:43:22,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:43:22,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:43:22,276 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:43:22,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:22,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:43:22,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:43:22,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:43:22,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:43:22,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:43:22,278 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 -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2025-03-04 02:43:22,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:43:22,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:43:22,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:43:22,528 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:43:22,528 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:43:22,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2025-03-04 02:43:23,664 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85d0d9/2389f9c6a6b34207a8316c030307f21c/FLAGdbb9e0ece [2025-03-04 02:43:24,093 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:43:24,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2025-03-04 02:43:24,133 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85d0d9/2389f9c6a6b34207a8316c030307f21c/FLAGdbb9e0ece [2025-03-04 02:43:24,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe85d0d9/2389f9c6a6b34207a8316c030307f21c [2025-03-04 02:43:24,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:43:24,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:43:24,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:24,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:43:24,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:43:24,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:24" (1/1) ... [2025-03-04 02:43:24,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ab8232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:24, skipping insertion in model container [2025-03-04 02:43:24,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:24" (1/1) ... [2025-03-04 02:43:24,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:43:24,518 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_from_whole_buffer_harness.i[4510,4523] [2025-03-04 02:43:24,527 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_from_whole_buffer_harness.i[4570,4583] [2025-03-04 02:43:25,196 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,197 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,198 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:25,786 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:43:25,799 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_from_whole_buffer_harness.i[4510,4523] [2025-03-04 02:43:25,800 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_from_whole_buffer_harness.i[4570,4583] [2025-03-04 02:43:25,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,840 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:43:25,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:25,961 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:43:25,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:26,155 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:43:26,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26 WrapperNode [2025-03-04 02:43:26,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:26,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:26,160 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:43:26,160 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:43:26,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,305 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2025-03-04 02:43:26,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:26,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:43:26,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:43:26,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:43:26,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,318 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,361 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 6, 249, 78]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 11, 16]. The 499 writes are split as follows [0, 257, 2, 233, 7]. [2025-03-04 02:43:26,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:43:26,399 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:43:26,399 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:43:26,399 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:43:26,400 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (1/1) ... [2025-03-04 02:43:26,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:26,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:26,424 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 02:43:26,426 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 02:43:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:43:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:43:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:43:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:43:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:43:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:43:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:43:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:43:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:43:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:43:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:43:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:43:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:43:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:43:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:43:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:43:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:43:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-04 02:43:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-04 02:43:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:43:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:43:26,677 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:43:26,679 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:43:26,702 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:43:26,732 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:43:26,753 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:43:26,909 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 02:43:26,921 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:43:26,926 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-04 02:43:26,954 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:43:33,571 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: havoc aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.base, aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.offset;havoc aws_byte_buf_write_from_whole_buffer_#t~mem1190#1;havoc aws_byte_buf_write_from_whole_buffer_#t~ret1191#1;call ULTIMATE.dealloc(aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset);havoc aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset; [2025-03-04 02:43:33,632 INFO L? ?]: Removed 113 outVars from TransFormulas that were not future-live. [2025-03-04 02:43:33,632 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:43:33,641 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:43:33,645 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:43:33,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:33 BoogieIcfgContainer [2025-03-04 02:43:33,646 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:43:33,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:43:33,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:43:33,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:43:33,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:43:24" (1/3) ... [2025-03-04 02:43:33,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bc6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:33, skipping insertion in model container [2025-03-04 02:43:33,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:26" (2/3) ... [2025-03-04 02:43:33,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63bc6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:33, skipping insertion in model container [2025-03-04 02:43:33,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:33" (3/3) ... [2025-03-04 02:43:33,653 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2025-03-04 02:43:33,664 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:43:33,665 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_from_whole_buffer_harness.i that has 16 procedures, 173 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:43:33,710 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:43:33,718 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;@7dea5631, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:43:33,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:43:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 103 states have (on average 1.2135922330097086) internal successors, (125), 105 states have internal predecessors, (125), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-03-04 02:43:33,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-04 02:43:33,732 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:43:33,733 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:43:33,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:43:33,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:43:33,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1997034863, now seen corresponding path program 1 times [2025-03-04 02:43:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:43:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101855830] [2025-03-04 02:43:33,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:33,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:38,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-04 02:44:39,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-04 02:44:39,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:39,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-03-04 02:44:39,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:39,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101855830] [2025-03-04 02:44:39,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101855830] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:39,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632241070] [2025-03-04 02:44:39,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:39,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:39,794 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 02:44:39,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process