./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 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:06:34,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:06:34,294 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:06:34,298 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:06:34,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:06:34,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:06:34,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:06:34,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:06:34,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:06:34,323 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:06:34,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:06:34,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:06:34,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:06:34,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:06:34,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:06:34,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:34,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:34,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:06:34,325 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2025-01-09 17:06:34,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:06:34,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:06:34,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:06:34,544 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:06:34,544 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:06:34,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-01-09 17:06:35,740 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c7a11b99/cc386a5e631248098807809f946c7ea0/FLAGfe970584f [2025-01-09 17:06:36,251 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:06:36,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2025-01-09 17:06:36,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c7a11b99/cc386a5e631248098807809f946c7ea0/FLAGfe970584f [2025-01-09 17:06:36,315 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4c7a11b99/cc386a5e631248098807809f946c7ea0 [2025-01-09 17:06:36,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:06:36,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:06:36,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:06:36,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:06:36,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:06:36,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:06:36" (1/1) ... [2025-01-09 17:06:36,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5198ee35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:36, skipping insertion in model container [2025-01-09 17:06:36,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:06:36" (1/1) ... [2025-01-09 17:06:36,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:06:36,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2025-01-09 17:06:36,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2025-01-09 17:06:37,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,051 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,052 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,060 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,061 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,062 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:06:37,543 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:06:37,554 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2025-01-09 17:06:37,555 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2025-01-09 17:06:37,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-01-09 17:06:37,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,721 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:06:37,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-01-09 17:06:37,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:06:37,865 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:06:37,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37 WrapperNode [2025-01-09 17:06:37,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:06:37,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:06:37,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:06:37,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:06:37,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:37,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:37,950 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2025-01-09 17:06:37,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:06:37,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:06:37,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:06:37,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:06:37,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:37,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:37,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,028 INFO L175 MemorySlicer]: Split 560 memory accesses to 7 slices as follows [2, 8, 257, 238, 2, 6, 47]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 5, 0, 6, 0, 0, 8]. The 496 writes are split as follows [0, 1, 257, 232, 1, 2, 3]. [2025-01-09 17:06:38,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,068 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:06:38,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:06:38,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:06:38,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:06:38,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (1/1) ... [2025-01-09 17:06:38,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:06:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:06:38,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 17:06:38,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 17:06:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 17:06:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 17:06:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:06:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:06:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:06:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:06:38,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:06:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 17:06:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 17:06:38,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:06:38,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:06:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:06:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:06:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:06:38,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:06:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:06:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:06:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:06:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 17:06:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:06:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:06:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-01-09 17:06:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:06:38,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:06:38,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:06:38,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:06:38,417 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:06:38,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:06:45,572 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2025-01-09 17:06:45,572 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:06:45,579 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:06:45,579 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:06:45,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:06:45 BoogieIcfgContainer [2025-01-09 17:06:45,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:06:45,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:06:45,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:06:45,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:06:45,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:06:36" (1/3) ... [2025-01-09 17:06:45,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e625fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:06:45, skipping insertion in model container [2025-01-09 17:06:45,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:06:37" (2/3) ... [2025-01-09 17:06:45,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e625fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:06:45, skipping insertion in model container [2025-01-09 17:06:45,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:06:45" (3/3) ... [2025-01-09 17:06:45,586 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2025-01-09 17:06:45,598 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:06:45,599 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. [2025-01-09 17:06:45,641 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:06:45,649 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;@ec675e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:06:45,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:06:45,653 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) [2025-01-09 17:06:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-09 17:06:45,660 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:06:45,661 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] [2025-01-09 17:06:45,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:06:45,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:06:45,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1980080392, now seen corresponding path program 1 times [2025-01-09 17:06:45,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:06:45,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107541195] [2025-01-09 17:06:45,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:06:45,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:07:49,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-09 17:07:50,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-09 17:07:50,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:07:50,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:07:51,170 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-09 17:07:51,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:07:51,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107541195] [2025-01-09 17:07:51,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107541195] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:07:51,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205926727] [2025-01-09 17:07:51,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:07:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:07:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:07:51,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:07:51,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process