./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2 --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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:45,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:45,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:45,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:45,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:45,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:45,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:45,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:45,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:45,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:45,599 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:45,599 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:45,600 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:45,600 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:45,601 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:45,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:45,601 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:45,605 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:45,605 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:45,606 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:45,606 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:45,607 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:45,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:45,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:45,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:45,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:45,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:45,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:45,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:45,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:45,628 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:45,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:45,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:45,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:45,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:45,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:45,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:45,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:45,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:45,632 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:45,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:45,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:45,633 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:45,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:45,633 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_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2024-11-02 12:27:46,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:46,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:46,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:46,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:46,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:46,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i Unable to find full path for "g++" [2024-11-02 12:27:48,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:48,630 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:48,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-02 12:27:48,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/data/523e8285f/190f44b0e6c44063b42ec240ac1a9e24/FLAGc88e8c05d [2024-11-02 12:27:48,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/data/523e8285f/190f44b0e6c44063b42ec240ac1a9e24 [2024-11-02 12:27:48,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:48,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:48,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:48,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:48,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:48,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:48" (1/1) ... [2024-11-02 12:27:48,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d2ec15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:48, skipping insertion in model container [2024-11-02 12:27:48,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:48" (1/1) ... [2024-11-02 12:27:48,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:49,292 WARN L251 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_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2024-11-02 12:27:49,303 WARN L251 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_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2024-11-02 12:27:50,466 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,468 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,468 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,470 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,471 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,489 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,490 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,492 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:50,493 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,504 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,508 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:51,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:51,692 WARN L251 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_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2024-11-02 12:27:51,697 WARN L251 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_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2024-11-02 12:27:51,756 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,756 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,760 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,761 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,762 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,773 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,775 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,776 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,779 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-02 12:27:51,941 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,941 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:51,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-02 12:27:51,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:52,291 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:52,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52 WrapperNode [2024-11-02 12:27:52,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:52,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:52,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:52,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:52,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,512 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-02 12:27:52,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:52,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:52,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:52,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:52,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:52,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:52,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:52,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:52,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (1/1) ... [2024-11-02 12:27:52,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:52,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:52,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:52,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1824a5f2-bfb2-46b4-83cb-06f1e1a54fa7/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-02 12:27:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-02 12:27:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:27:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:27:52,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:27:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:27:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:27:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:27:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:27:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:52,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-02 12:27:52,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-02 12:27:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:27:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:27:52,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:27:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:27:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:27:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:27:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:27:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-02 12:27:52,827 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-02 12:27:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:52,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:27:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:27:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:27:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:27:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:27:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 12:27:52,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:53,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:53,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:00,505 INFO L? ?]: Removed 150 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:00,506 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:01,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:01,505 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-02 12:28:01,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:01 BoogieIcfgContainer [2024-11-02 12:28:01,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:01,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:01,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:01,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:01,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:48" (1/3) ... [2024-11-02 12:28:01,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3feb6a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:01, skipping insertion in model container [2024-11-02 12:28:01,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:52" (2/3) ... [2024-11-02 12:28:01,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3feb6a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:01, skipping insertion in model container [2024-11-02 12:28:01,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:01" (3/3) ... [2024-11-02 12:28:01,519 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2024-11-02 12:28:01,545 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:01,545 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:01,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:01,636 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;@cef914d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:01,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 65 states have (on average 1.2) internal successors, (78), 66 states have internal predecessors, (78), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-02 12:28:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-02 12:28:01,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:01,658 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-02 12:28:01,659 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:01,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:01,667 INFO L85 PathProgramCache]: Analyzing trace with hash -255223488, now seen corresponding path program 1 times [2024-11-02 12:28:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:01,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235435162] [2024-11-02 12:28:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:01,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms