./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_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_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/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_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/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_56f376cd-4273-45e2-877e-2252419b8cff/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 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:24:47,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:24:47,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:24:47,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:24:47,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:24:47,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:24:47,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:24:47,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:24:47,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:24:47,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:24:47,983 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:24:47,983 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:24:47,984 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:24:47,984 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:24:47,984 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:24:47,985 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:24:47,986 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:24:47,986 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:24:47,986 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:24:47,987 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:24:47,987 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:24:47,990 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:24:47,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:24:47,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:24:47,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:24:47,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:24:48,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:24:48,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:24:48,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:24:48,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:24:48,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:24:48,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:24:48,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:24:48,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:24:48,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:24:48,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:48,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:24:48,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:24:48,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:24:48,014 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:24:48,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:24:48,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:24:48,015 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:24:48,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:24:48,016 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_56f376cd-4273-45e2-877e-2252419b8cff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2024-11-02 12:24:48,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:24:48,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:24:48,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:24:48,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:24:48,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:24:48,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i Unable to find full path for "g++" [2024-11-02 12:24:50,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:24:51,018 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:24:51,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2024-11-02 12:24:51,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/data/dcd701373/5454179caff54600a6a47279b3d11d7e/FLAG9841aec4f [2024-11-02 12:24:51,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/data/dcd701373/5454179caff54600a6a47279b3d11d7e [2024-11-02 12:24:51,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:24:51,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:24:51,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:51,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:24:51,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:24:51,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:51" (1/1) ... [2024-11-02 12:24:51,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a9e5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:51, skipping insertion in model container [2024-11-02 12:24:51,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:24:51" (1/1) ... [2024-11-02 12:24:51,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:24:51,615 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_56f376cd-4273-45e2-877e-2252419b8cff/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2024-11-02 12:24:51,625 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_56f376cd-4273-45e2-877e-2252419b8cff/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2024-11-02 12:24:52,868 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,869 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,870 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,871 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,872 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,890 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,891 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,894 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:52,895 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:54,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:24:54,172 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_56f376cd-4273-45e2-877e-2252419b8cff/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4490,4503] [2024-11-02 12:24:54,173 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_56f376cd-4273-45e2-877e-2252419b8cff/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i[4550,4563] [2024-11-02 12:24:54,229 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,229 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,230 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,230 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,231 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,240 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,241 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,242 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,243 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-02 12:24:54,423 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,424 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:24:54,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-02 12:24:54,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:24:54,837 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:24:54,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54 WrapperNode [2024-11-02 12:24:54,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:24:54,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:54,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:24:54,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:24:54,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:54,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,099 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1086 [2024-11-02 12:24:55,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:24:55,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:24:55,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:24:55,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:24:55,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:24:55,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:24:55,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:24:55,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:24:55,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (1/1) ... [2024-11-02 12:24:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:24:55,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:24:55,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:24:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f376cd-4273-45e2-877e-2252419b8cff/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:24:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:24:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:24:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-02 12:24:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-02 12:24:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:24:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:24:55,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2024-11-02 12:24:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2024-11-02 12:24:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-02 12:24:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:24:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-02 12:24:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:24:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:24:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-02 12:24:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:24:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:24:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:24:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:24:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:24:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:24:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-02 12:24:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:24:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:24:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:24:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-02 12:24:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-02 12:24:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:24:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2024-11-02 12:24:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-02 12:24:55,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-02 12:24:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:24:55,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:24:55,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:03,865 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-02 12:25:03,866 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:25:04,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:25:04,861 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:25:04,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:04 BoogieIcfgContainer [2024-11-02 12:25:04,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:25:04,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:25:04,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:25:04,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:25:04,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:24:51" (1/3) ... [2024-11-02 12:25:04,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202c8288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:04, skipping insertion in model container [2024-11-02 12:25:04,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:24:54" (2/3) ... [2024-11-02 12:25:04,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202c8288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:04, skipping insertion in model container [2024-11-02 12:25:04,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:04" (3/3) ... [2024-11-02 12:25:04,876 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness.i [2024-11-02 12:25:04,896 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:25:04,896 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:25:04,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:25:04,995 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;@c30f496, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:25:04,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:25:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 79 states have (on average 1.1772151898734178) internal successors, (93), 80 states have internal predecessors, (93), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-02 12:25:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-02 12:25:05,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:05,023 INFO L215 NwaCegarLoop]: trace histogram [12, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1] [2024-11-02 12:25:05,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:25:05,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1288502317, now seen corresponding path program 1 times [2024-11-02 12:25:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:25:05,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372710605] [2024-11-02 12:25:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms