./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/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_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/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_ad3d997d-07d4-4215-b26a-d1183035791a/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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:54,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:55,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:25:55,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:55,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:55,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:55,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:55,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:55,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:55,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:55,104 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:55,105 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:55,105 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:55,106 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:55,106 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:55,106 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:55,107 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:55,110 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:55,110 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:55,110 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:55,111 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:55,115 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:55,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:55,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:55,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:55,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:55,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:55,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:55,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:55,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:55,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:55,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:55,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:55,121 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:25:55,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:55,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:55,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:55,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:55,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:55,124 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:55,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:55,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:55,125 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:55,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:55,125 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_ad3d997d-07d4-4215-b26a-d1183035791a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2024-11-02 12:25:55,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:55,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:55,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:55,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:55,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:55,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i Unable to find full path for "g++" [2024-11-02 12:25:57,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:58,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:58,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-02 12:25:58,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/data/6f24fcfe8/abf234d0167848e5b8f9383d68e21f76/FLAG0dffef68b [2024-11-02 12:25:58,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/data/6f24fcfe8/abf234d0167848e5b8f9383d68e21f76 [2024-11-02 12:25:58,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:58,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:58,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:58,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:58,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:58,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:58" (1/1) ... [2024-11-02 12:25:58,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b902233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:58, skipping insertion in model container [2024-11-02 12:25:58,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:58" (1/1) ... [2024-11-02 12:25:58,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:59,131 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_ad3d997d-07d4-4215-b26a-d1183035791a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-02 12:25:59,141 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_ad3d997d-07d4-4215-b26a-d1183035791a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-02 12:26:00,402 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,403 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,404 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,405 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,407 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,424 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,424 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:00,428 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,274 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,275 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:01,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:26:01,514 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_ad3d997d-07d4-4215-b26a-d1183035791a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2024-11-02 12:26:01,518 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_ad3d997d-07d4-4215-b26a-d1183035791a/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2024-11-02 12:26:01,613 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,614 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,614 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,615 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,615 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,637 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,638 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,640 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,641 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-02 12:26:01,775 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,776 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:26:01,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-02 12:26:01,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:26:02,162 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:26:02,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02 WrapperNode [2024-11-02 12:26:02,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:26:02,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:02,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:26:02,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:26:02,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,350 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2024-11-02 12:26:02,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:26:02,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:26:02,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:26:02,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:26:02,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:26:02,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:26:02,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:26:02,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:26:02,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (1/1) ... [2024-11-02 12:26:02,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:26:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:26:02,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:26:02,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad3d997d-07d4-4215-b26a-d1183035791a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:26:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:26:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:26:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:26:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:26:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:26:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:26:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 12:26:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 12:26:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:26:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 12:26:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 12:26:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:26:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:26:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:26:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:26:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:26:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:26:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:26:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 12:26:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 12:26:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:26:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:26:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-02 12:26:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-02 12:26:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:26:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:26:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:26:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:26:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:26:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-02 12:26:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-02 12:26:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:26:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-02 12:26:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-02 12:26:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:26:02,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:26:02,855 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:26:10,626 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-02 12:26:10,627 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:26:11,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:26:11,292 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:26:11,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:11 BoogieIcfgContainer [2024-11-02 12:26:11,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:26:11,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:26:11,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:26:11,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:26:11,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:58" (1/3) ... [2024-11-02 12:26:11,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33742296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:11, skipping insertion in model container [2024-11-02 12:26:11,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:26:02" (2/3) ... [2024-11-02 12:26:11,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33742296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:26:11, skipping insertion in model container [2024-11-02 12:26:11,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:26:11" (3/3) ... [2024-11-02 12:26:11,307 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-02 12:26:11,326 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:26:11,326 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:26:11,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:26:11,424 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;@11b98719, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:26:11,424 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:26:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-02 12:26:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-02 12:26:11,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:26:11,449 INFO L215 NwaCegarLoop]: trace histogram [10, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:26:11,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:26:11,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:26:11,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1326475261, now seen corresponding path program 1 times [2024-11-02 12:26:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:26:11,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365106012] [2024-11-02 12:26:11,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:26:11,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms