./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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_init_harness_negated.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 b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:59:55,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:59:55,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:59:55,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:59:55,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:59:55,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:59:55,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:59:55,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:59:55,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:59:55,921 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:59:55,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:59:55,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:59:55,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:59:55,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:59:55,922 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:59:55,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:59:55,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:59:55,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:59:55,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:59:55,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:59:55,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:59:55,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:59:55,924 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 -> b821af0ce38cd94d2546ea5f369017836976e947e239c53cd008b4ecf58cc800 [2025-03-17 06:59:56,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:59:56,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:59:56,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:59:56,172 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:59:56,172 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:59:56,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-17 06:59:57,310 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f677450/3c9a67be55bd401e936359aaddc8a6e8/FLAGd4ba7def5 [2025-03-17 06:59:57,827 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:59:57,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_harness_negated.i [2025-03-17 06:59:57,880 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f677450/3c9a67be55bd401e936359aaddc8a6e8/FLAGd4ba7def5 [2025-03-17 06:59:58,391 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f677450/3c9a67be55bd401e936359aaddc8a6e8 [2025-03-17 06:59:58,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:59:58,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:59:58,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:58,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:59:58,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:59:58,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:58" (1/1) ... [2025-03-17 06:59:58,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b67ad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:58, skipping insertion in model container [2025-03-17 06:59:58,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:59:58" (1/1) ... [2025-03-17 06:59:58,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:59:58,633 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_init_harness_negated.i[4491,4504] [2025-03-17 06:59:58,641 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_init_harness_negated.i[4551,4564] [2025-03-17 06:59:59,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,102 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:59,584 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:59:59,595 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_init_harness_negated.i[4491,4504] [2025-03-17 06:59:59,600 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_init_harness_negated.i[4551,4564] [2025-03-17 06:59:59,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,640 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,642 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,643 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8039] [2025-03-17 06:59:59,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:59:59,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8525-8536] [2025-03-17 06:59:59,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:59:59,961 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:59:59,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59 WrapperNode [2025-03-17 06:59:59,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:59:59,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:59:59,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:59:59,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:59:59,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,080 INFO L138 Inliner]: procedures = 679, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2025-03-17 07:00:00,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:00,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:00:00,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:00:00,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:00:00,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,156 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2025-03-17 07:00:00,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:00:00,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:00:00,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:00:00,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:00:00,210 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (1/1) ... [2025-03-17 07:00:00,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:00,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:00:00,238 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) [2025-03-17 07:00:00,240 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 [2025-03-17 07:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:00:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:00:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:00:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:00:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:00:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 07:00:00,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:00:00,260 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:00:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:00:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:00:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:00:00,486 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:00:00,492 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:00:00,540 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:00:00,564 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6882: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 07:00:00,625 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7147: havoc #t~mem617;havoc #t~mem618;havoc #t~short619;havoc #t~mem620.base, #t~mem620.offset;havoc #t~short621;havoc #t~mem622;havoc #t~mem623;havoc #t~mem624;havoc #t~short625;havoc #t~mem626;havoc #t~mem627.base, #t~mem627.offset;havoc #t~short628;havoc #t~short629;havoc #t~short630;havoc #t~short631; [2025-03-17 07:00:00,654 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:00:00,661 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6907: havoc #t~ret569.base, #t~ret569.offset; [2025-03-17 07:00:07,292 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:00:07,313 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:07,313 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:07,319 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:07,320 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:07,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:07 BoogieIcfgContainer [2025-03-17 07:00:07,320 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:07,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:07,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:07,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:07,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:59:58" (1/3) ... [2025-03-17 07:00:07,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568b7daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:07, skipping insertion in model container [2025-03-17 07:00:07,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:59:59" (2/3) ... [2025-03-17 07:00:07,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568b7daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:07, skipping insertion in model container [2025-03-17 07:00:07,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:07" (3/3) ... [2025-03-17 07:00:07,326 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness_negated.i [2025-03-17 07:00:07,339 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:07,341 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_harness_negated.i that has 11 procedures, 96 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:00:07,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:07,389 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;@24e53b87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:07,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 64 states have (on average 1.25) internal successors, (80), 65 states have internal predecessors, (80), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 07:00:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 07:00:07,399 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:07,400 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 07:00:07,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:07,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:07,405 INFO L85 PathProgramCache]: Analyzing trace with hash -853294117, now seen corresponding path program 1 times [2025-03-17 07:00:07,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:07,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10607809] [2025-03-17 07:00:07,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:15,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 07:01:16,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 07:01:16,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:01:16,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:01:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 07:01:16,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:01:16,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10607809] [2025-03-17 07:01:16,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10607809] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:01:16,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642456932] [2025-03-17 07:01:16,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:16,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:01:16,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:16,994 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) [2025-03-17 07:01:16,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process