./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_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_u8_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 e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:44:37,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:44:37,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:44:37,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:44:37,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:44:37,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:44:37,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:44:37,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:44:37,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:44:37,324 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:44:37,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:44:37,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:44:37,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:44:37,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:44:37,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:44:37,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:44:37,327 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:44:37,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:44:37,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:44:37,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:44:37,328 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:44:37,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:44:37,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:44:37,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:44:37,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:44:37,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:44:37,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:44:37,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:44:37,330 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 -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2025-03-04 02:44:37,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:44:37,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:44:37,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:44:37,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:44:37,628 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:44:37,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-03-04 02:44:38,799 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8ea5f1/acf5ad288b394dd3a2a01916ec247ce9/FLAGf2ee3366d [2025-03-04 02:44:39,278 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:44:39,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-03-04 02:44:39,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8ea5f1/acf5ad288b394dd3a2a01916ec247ce9/FLAGf2ee3366d [2025-03-04 02:44:39,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2db8ea5f1/acf5ad288b394dd3a2a01916ec247ce9 [2025-03-04 02:44:39,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:44:39,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:44:39,387 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:44:39,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:44:39,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:44:39,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:44:39" (1/1) ... [2025-03-04 02:44:39,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdd72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:39, skipping insertion in model container [2025-03-04 02:44:39,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:44:39" (1/1) ... [2025-03-04 02:44:39,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:44:39,636 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_u8_harness.i[4495,4508] [2025-03-04 02:44:39,642 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_u8_harness.i[4555,4568] [2025-03-04 02:44:40,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,172 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,175 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:44:40,752 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:44:40,762 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_u8_harness.i[4495,4508] [2025-03-04 02:44:40,763 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_u8_harness.i[4555,4568] [2025-03-04 02:44:40,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:44:40,902 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,903 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:44:40,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:44:40,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:44:41,088 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:44:41,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41 WrapperNode [2025-03-04 02:44:41,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:44:41,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:44:41,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:44:41,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:44:41,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,232 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-03-04 02:44:41,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:44:41,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:44:41,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:44:41,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:44:41,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,322 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 257, 47, 238, 6, 8, 2]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 8, 6, 0, 5, 0]. The 496 writes are split as follows [0, 257, 3, 232, 2, 1, 1]. [2025-03-04 02:44:41,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,346 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:44:41,374 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:44:41,374 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:44:41,374 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:44:41,375 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (1/1) ... [2025-03-04 02:44:41,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:44:41,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:41,403 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 02:44:41,408 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 02:44:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:44:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:44:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:44:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:44:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:44:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:44:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:44:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:44:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:44:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:44:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:44:41,436 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:44:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:44:41,721 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:44:41,726 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:44:41,779 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:44:41,930 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 02:44:41,941 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:44:41,949 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:44:49,147 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2025-03-04 02:44:49,147 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:44:49,147 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8577: havoc aws_byte_buf_write_u8_#t~ret1198#1;call ULTIMATE.dealloc(aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset);havoc aws_byte_buf_write_u8_~#c#1.base, aws_byte_buf_write_u8_~#c#1.offset; [2025-03-04 02:44:49,147 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:44:49,201 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-03-04 02:44:49,201 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:44:49,212 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:44:49,213 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:44:49,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:44:49 BoogieIcfgContainer [2025-03-04 02:44:49,213 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:44:49,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:44:49,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:44:49,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:44:49,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:44:39" (1/3) ... [2025-03-04 02:44:49,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:44:49, skipping insertion in model container [2025-03-04 02:44:49,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:44:41" (2/3) ... [2025-03-04 02:44:49,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:44:49, skipping insertion in model container [2025-03-04 02:44:49,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:44:49" (3/3) ... [2025-03-04 02:44:49,221 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2025-03-04 02:44:49,233 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:44:49,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_u8_harness.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:44:49,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:44:49,284 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;@324ef2ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:44:49,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:44:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 85 states have internal predecessors, (103), 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 02:44:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-04 02:44:49,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:44:49,296 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] [2025-03-04 02:44:49,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:44:49,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:44:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1124650777, now seen corresponding path program 1 times [2025-03-04 02:44:49,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:44:49,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552584227] [2025-03-04 02:44:49,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:49,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:45:59,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-04 02:45:59,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-04 02:45:59,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:45:59,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:46:00,629 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 02:46:00,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:46:00,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552584227] [2025-03-04 02:46:00,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552584227] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:46:00,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157175754] [2025-03-04 02:46:00,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:46:00,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:46:00,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:46:00,634 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 02:46:00,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process