./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_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_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/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_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/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_9104ee68-e335-402a-84f3-41f155122086/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 ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:27,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:27,886 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:27,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:27,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:27,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:27,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:27,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:27,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:27,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:27,931 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:27,932 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:27,932 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:27,944 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:27,944 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:27,944 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:27,945 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:27,945 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:27,945 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:27,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:27,946 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:27,947 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:27,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:27,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:27,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:27,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:27,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:27,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:27,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:27,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:27,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:27,952 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:27,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:27,953 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:27,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:27,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:27,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:27,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:27,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:27,954 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:27,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:27,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:27,956 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:27,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:27,957 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_9104ee68-e335-402a-84f3-41f155122086/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2024-11-02 12:27:28,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:28,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:28,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:28,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:28,333 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:28,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i Unable to find full path for "g++" [2024-11-02 12:27:30,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:30,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:30,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2024-11-02 12:27:31,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/data/78c45d8a8/8d245df6f25f4123a67497318e6ee8cc/FLAG591568ca9 [2024-11-02 12:27:31,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/data/78c45d8a8/8d245df6f25f4123a67497318e6ee8cc [2024-11-02 12:27:31,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:31,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:31,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:31,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:31,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:31,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:31" (1/1) ... [2024-11-02 12:27:31,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44544aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:31, skipping insertion in model container [2024-11-02 12:27:31,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:31" (1/1) ... [2024-11-02 12:27:31,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:31,642 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_9104ee68-e335-402a-84f3-41f155122086/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-11-02 12:27:31,652 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_9104ee68-e335-402a-84f3-41f155122086/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-11-02 12:27:32,697 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,698 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,699 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,700 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,702 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,718 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,721 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,723 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:32,725 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,593 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,597 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:33,763 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:33,782 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_9104ee68-e335-402a-84f3-41f155122086/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2024-11-02 12:27:33,786 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_9104ee68-e335-402a-84f3-41f155122086/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2024-11-02 12:27:33,843 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,844 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,844 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,848 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,849 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,858 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,859 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,860 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:33,862 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:34,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2024-11-02 12:27:34,041 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:34,042 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:34,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2024-11-02 12:27:34,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:34,379 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:34,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34 WrapperNode [2024-11-02 12:27:34,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:34,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:34,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:34,381 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:34,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,608 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2024-11-02 12:27:34,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:34,610 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:34,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:34,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:34,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:34,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:34,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:34,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:34,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (1/1) ... [2024-11-02 12:27:34,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:34,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:34,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:34,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9104ee68-e335-402a-84f3-41f155122086/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:27:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:27:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:27:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:27:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:27:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-02 12:27:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:27:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-02 12:27:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-02 12:27:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:27:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-02 12:27:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-02 12:27:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-02 12:27:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-02 12:27:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:35,182 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:35,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:42,429 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:42,429 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:44,107 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:44,107 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:44,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:44 BoogieIcfgContainer [2024-11-02 12:27:44,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:44,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:44,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:44,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:44,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:31" (1/3) ... [2024-11-02 12:27:44,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67943137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:44, skipping insertion in model container [2024-11-02 12:27:44,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:34" (2/3) ... [2024-11-02 12:27:44,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67943137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:44, skipping insertion in model container [2024-11-02 12:27:44,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:44" (3/3) ... [2024-11-02 12:27:44,119 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2024-11-02 12:27:44,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:44,144 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:44,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:44,272 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;@c3d0f48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:44,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 44 states have internal predecessors, (50), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-02 12:27:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-02 12:27:44,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:44,294 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 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 12:27:44,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:44,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:44,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1347953696, now seen corresponding path program 1 times [2024-11-02 12:27:44,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:44,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896397602] [2024-11-02 12:27:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:44,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms