./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E --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 0.3.0-dev-826ab2b [2024-11-14 02:42:27,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:42:27,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 02:42:27,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:42:27,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:42:27,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:42:27,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:42:27,604 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:42:27,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:42:27,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:42:27,605 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:42:27,605 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:42:27,606 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:42:27,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:42:27,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:42:27,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:42:27,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:27,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:42:27,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:42:27,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:42:27,613 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E 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 [2024-11-14 02:42:27,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:42:27,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:42:27,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:42:27,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:42:27,911 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:42:27,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i Unable to find full path for "g++" [2024-11-14 02:42:30,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:42:30,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:42:30,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i [2024-11-14 02:42:30,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/data/4b5cd66e1/41fa7db774df4e17bcaaca914e6b1c19/FLAG4e179c108 [2024-11-14 02:42:30,925 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/data/4b5cd66e1/41fa7db774df4e17bcaaca914e6b1c19 [2024-11-14 02:42:30,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:42:30,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:42:30,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:30,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:42:30,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:42:30,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:30" (1/1) ... [2024-11-14 02:42:30,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7d1c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:30, skipping insertion in model container [2024-11-14 02:42:30,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:42:30" (1/1) ... [2024-11-14 02:42:31,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:42:31,412 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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4492,4505] [2024-11-14 02:42:31,420 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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4552,4565] [2024-11-14 02:42:32,421 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,422 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,423 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,424 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,425 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,442 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,443 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,445 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:32,446 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,568 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,569 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:33,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:42:33,754 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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4492,4505] [2024-11-14 02:42:33,755 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_1f9e8122-c146-47d3-9fc6-27493dc1bed1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i[4552,4565] [2024-11-14 02:42:33,825 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,826 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,827 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,828 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,828 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,839 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:33,844 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:34,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-14 02:42:34,022 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:34,022 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-14 02:42:34,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-14 02:42:34,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:42:34,468 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:42:34,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34 WrapperNode [2024-11-14 02:42:34,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:42:34,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:34,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:42:34,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:42:34,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,728 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-14 02:42:34,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:42:34,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:42:34,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:42:34,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:42:34,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:42:34,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:42:34,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:42:34,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:42:34,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (1/1) ... [2024-11-14 02:42:34,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:42:34,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:42:34,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:42:34,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:42:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-14 02:42:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-14 02:42:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:42:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-14 02:42:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-14 02:42:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-14 02:42:34,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-14 02:42:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 02:42:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:42:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-14 02:42:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-14 02:42:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 02:42:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 02:42:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 02:42:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:42:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 02:42:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:42:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:42:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-14 02:42:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-14 02:42:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-14 02:42:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-14 02:42:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-14 02:42:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 02:42:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:42:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:42:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:42:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-14 02:42:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-14 02:42:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-14 02:42:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-14 02:42:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:42:35,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:42:35,348 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:42:42,933 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-14 02:42:42,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:42:43,760 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:42:43,760 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:42:43,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:43 BoogieIcfgContainer [2024-11-14 02:42:43,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:42:43,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:42:43,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:42:43,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:42:43,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:42:30" (1/3) ... [2024-11-14 02:42:43,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75108a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:43, skipping insertion in model container [2024-11-14 02:42:43,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:42:34" (2/3) ... [2024-11-14 02:42:43,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75108a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:42:43, skipping insertion in model container [2024-11-14 02:42:43,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:42:43" (3/3) ... [2024-11-14 02:42:43,772 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness.i [2024-11-14 02:42:43,789 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:42:43,791 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_harness.i that has 11 procedures, 99 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 02:42:43,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:42:43,884 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;@2dae699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:42:43,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:42:43,889 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) [2024-11-14 02:42:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-14 02:42:43,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:42:43,901 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] [2024-11-14 02:42:43,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:42:43,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:42:43,910 INFO L85 PathProgramCache]: Analyzing trace with hash 607982211, now seen corresponding path program 1 times [2024-11-14 02:42:43,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:42:43,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217424531] [2024-11-14 02:42:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:42:43,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-14 02:46:20,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:46:20,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217424531] [2024-11-14 02:46:20,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217424531] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:46:20,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192753016] [2024-11-14 02:46:20,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:20,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:20,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:46:20,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:46:20,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f9e8122-c146-47d3-9fc6-27493dc1bed1/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process