./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_harness_negated.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 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:01:34,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:01:34,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:01:34,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:01:34,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:01:34,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:01:34,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:01:34,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:01:34,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:01:34,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:01:34,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:01:34,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:01:34,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:01:34,933 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:01:34,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:34,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:01:34,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:01:34,934 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 -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2025-02-06 05:01:35,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:01:35,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:01:35,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:01:35,236 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:01:35,237 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:01:35,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2025-02-06 05:01:36,644 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e1b87f20/4ec697a1caea43e48c2a5e453222369b/FLAG040a7687e [2025-02-06 05:01:37,198 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:01:37,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2025-02-06 05:01:37,239 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e1b87f20/4ec697a1caea43e48c2a5e453222369b/FLAG040a7687e [2025-02-06 05:01:37,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e1b87f20/4ec697a1caea43e48c2a5e453222369b [2025-02-06 05:01:37,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:01:37,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:01:37,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:37,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:01:37,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:01:37,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:37" (1/1) ... [2025-02-06 05:01:37,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245f1c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:37, skipping insertion in model container [2025-02-06 05:01:37,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:01:37" (1/1) ... [2025-02-06 05:01:37,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:01:37,652 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_harness_negated.i[4492,4505] [2025-02-06 05:01:37,663 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_harness_negated.i[4552,4565] [2025-02-06 05:01:38,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,463 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,464 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,477 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:38,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,077 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:39,259 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:01:39,277 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_harness_negated.i[4492,4505] [2025-02-06 05:01:39,279 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_harness_negated.i[4552,4565] [2025-02-06 05:01:39,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,327 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,328 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,330 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,340 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,342 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,343 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-02-06 05:01:39,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:01:39,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-02-06 05:01:39,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:01:39,756 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:01:39,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39 WrapperNode [2025-02-06 05:01:39,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:01:39,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:39,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:01:39,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:01:39,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:39,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:39,901 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2025-02-06 05:01:39,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:01:39,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:01:39,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:01:39,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:01:39,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:39,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:39,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,017 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 257, 238, 10, 6, 49]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 0, 8]. The 495 writes are split as follows [0, 257, 232, 1, 2, 3]. [2025-02-06 05:01:40,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,081 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:01:40,121 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:01:40,121 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:01:40,121 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:01:40,123 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (1/1) ... [2025-02-06 05:01:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:01:40,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:01:40,155 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) [2025-02-06 05:01:40,160 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 [2025-02-06 05:01:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 05:01:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:01:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-02-06 05:01:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-02-06 05:01:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-02-06 05:01:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-02-06 05:01:40,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:01:40,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:01:40,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:01:40,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:01:40,191 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:01:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:01:40,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:01:40,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-06 05:01:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:01:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:01:40,193 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:01:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:01:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:01:40,566 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:01:40,570 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:01:40,614 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:01:40,655 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:01:40,759 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-02-06 05:01:40,781 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:01:48,595 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 05:01:48,671 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2025-02-06 05:01:48,672 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:01:48,684 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:01:48,684 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:01:48,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:48 BoogieIcfgContainer [2025-02-06 05:01:48,687 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:01:48,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:01:48,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:01:48,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:01:48,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:01:37" (1/3) ... [2025-02-06 05:01:48,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82557ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:48, skipping insertion in model container [2025-02-06 05:01:48,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:01:39" (2/3) ... [2025-02-06 05:01:48,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82557ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:01:48, skipping insertion in model container [2025-02-06 05:01:48,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:01:48" (3/3) ... [2025-02-06 05:01:48,698 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2025-02-06 05:01:48,711 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:01:48,712 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_harness_negated.i that has 16 procedures, 154 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2025-02-06 05:01:48,765 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:01:48,776 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;@6e6da3d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:01:48,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:01:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2025-02-06 05:01:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 05:01:48,789 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:01:48,790 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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] [2025-02-06 05:01:48,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:01:48,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:01:48,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1477117853, now seen corresponding path program 1 times [2025-02-06 05:01:48,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:01:48,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986675126] [2025-02-06 05:01:48,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:01:48,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:02:56,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 05:02:57,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 05:02:57,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:02:57,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:02:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-02-06 05:02:58,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:02:58,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986675126] [2025-02-06 05:02:58,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986675126] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:02:58,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253791060] [2025-02-06 05:02:58,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:02:58,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:02:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:02:58,346 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) [2025-02-06 05:02:58,347 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