./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 884fded8e66f5d1fb48ea41b5fc2a80efc48c733a21e019f076525ed24611a3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:44:43,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:44:43,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:44:43,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:44:43,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:44:43,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:44:43,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:44:43,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:44:43,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:44:43,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:44:43,171 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:44:43,172 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:44:43,172 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:44:43,173 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:44:43,173 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:44:43,174 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:44:43,174 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:44:43,174 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:44:43,175 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:44:43,175 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:44:43,176 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:44:43,177 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:44:43,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:44:43,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:44:43,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:44:43,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:44:43,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:44:43,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:44:43,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:44:43,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:44:43,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:44:43,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:44:43,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:44:43,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:44:43,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:44:43,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:44:43,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:44:43,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:44:43,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:44:43,184 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:44:43,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:44:43,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:44:43,185 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:44:43,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:44:43,186 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884fded8e66f5d1fb48ea41b5fc2a80efc48c733a21e019f076525ed24611a3d [2024-11-09 05:44:43,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:44:43,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:44:43,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:44:43,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:44:43,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:44:43,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i Unable to find full path for "g++" [2024-11-09 05:44:45,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:44:46,414 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:44:46,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i [2024-11-09 05:44:46,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/data/13a3dda4f/8a7f13be3567482c929d2521edf59c91/FLAG1fb782882 [2024-11-09 05:44:46,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/data/13a3dda4f/8a7f13be3567482c929d2521edf59c91 [2024-11-09 05:44:46,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:44:46,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:44:46,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:44:46,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:44:46,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:44:46,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:44:46" (1/1) ... [2024-11-09 05:44:46,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d569e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:46, skipping insertion in model container [2024-11-09 05:44:46,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:44:46" (1/1) ... [2024-11-09 05:44:46,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:44:47,025 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4492,4505] [2024-11-09 05:44:47,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4552,4565] [2024-11-09 05:44:48,240 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,242 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,242 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,244 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,245 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,264 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,265 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,267 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:48,268 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,371 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,371 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:44:49,556 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:44:49,583 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4492,4505] [2024-11-09 05:44:49,587 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4552,4565] [2024-11-09 05:44:49,666 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,667 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,667 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,668 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,669 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,685 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,686 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,688 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,688 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 05:44:49,872 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,872 WARN L1698 CHandler]: Possible shadowing of function index [2024-11-09 05:44:49,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-09 05:44:49,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:44:50,234 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:44:50,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50 WrapperNode [2024-11-09 05:44:50,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:44:50,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:44:50,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:44:50,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:44:50,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,520 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-09 05:44:50,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:44:50,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:44:50,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:44:50,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:44:50,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:44:50,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:44:50,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:44:50,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:44:50,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (1/1) ... [2024-11-09 05:44:50,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:44:50,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:44:50,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:44:50,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:44:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 05:44:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 05:44:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:44:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 05:44:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 05:44:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 05:44:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-09 05:44:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 05:44:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:44:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-09 05:44:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-09 05:44:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:44:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:44:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:44:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:44:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:44:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:44:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:44:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 05:44:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 05:44:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 05:44:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 05:44:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-09 05:44:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 05:44:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:44:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:44:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:44:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:44:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 05:44:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 05:44:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 05:44:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 05:44:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 05:44:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 05:44:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 05:44:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:44:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-09 05:44:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:44:51,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:44:51,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:44:58,530 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-09 05:44:58,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:44:59,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:44:59,302 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 05:44:59,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:44:59 BoogieIcfgContainer [2024-11-09 05:44:59,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:44:59,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:44:59,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:44:59,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:44:59,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:44:46" (1/3) ... [2024-11-09 05:44:59,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612e045d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:44:59, skipping insertion in model container [2024-11-09 05:44:59,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:44:50" (2/3) ... [2024-11-09 05:44:59,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612e045d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:44:59, skipping insertion in model container [2024-11-09 05:44:59,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:44:59" (3/3) ... [2024-11-09 05:44:59,320 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness.i [2024-11-09 05:44:59,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:44:59,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:44:59,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:44:59,435 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=FINITE_AUTOMATA, 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;@5075e41a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:44:59,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:44:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 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) [2024-11-09 05:44:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 05:44:59,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:44:59,453 INFO L215 NwaCegarLoop]: trace histogram [5, 3, 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] [2024-11-09 05:44:59,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:44:59,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:44:59,460 INFO L85 PathProgramCache]: Analyzing trace with hash 607982211, now seen corresponding path program 1 times [2024-11-09 05:44:59,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:44:59,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999938231] [2024-11-09 05:44:59,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:44:59,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:48:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:49:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 05:49:03,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:49:03,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999938231] [2024-11-09 05:49:03,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999938231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:49:03,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543614168] [2024-11-09 05:49:03,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:49:03,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:49:03,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:49:03,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:49:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40da2776-f32e-461a-b0c9-f02993597ea3/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process