./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_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_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/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_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/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_a6a1f0ce-81bb-4283-ba58-977598c7b545/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 e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:31:13,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:31:13,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:31:13,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:31:13,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:31:13,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:31:13,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:31:13,726 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:31:13,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:31:13,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:31:13,729 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:31:13,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:31:13,730 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:31:13,733 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:31:13,733 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:31:13,734 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:31:13,734 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:31:13,734 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:31:13,735 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:31:13,735 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:31:13,735 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:31:13,740 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:31:13,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:31:13,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:31:13,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:31:13,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:31:13,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:31:13,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:31:13,743 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:31:13,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:31:13,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:31:13,744 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:31:13,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:31:13,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:31:13,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:31:13,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:13,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:31:13,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:31:13,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:31:13,748 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:31:13,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:31:13,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:31:13,750 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:31:13,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:31:13,750 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_a6a1f0ce-81bb-4283-ba58-977598c7b545/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8acf6765f11fcd1914a16b600f73d0dd655e8b1eed69990958acc7eadb94c2e [2024-11-02 12:31:14,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:31:14,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:31:14,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:31:14,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:31:14,115 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:31:14,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i Unable to find full path for "g++" [2024-11-02 12:31:16,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:31:16,667 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:31:16,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i [2024-11-02 12:31:16,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/data/dd4fa7733/f06c46dd07734fdf930ddee5f09aa774/FLAG31a0650e3 [2024-11-02 12:31:17,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/data/dd4fa7733/f06c46dd07734fdf930ddee5f09aa774 [2024-11-02 12:31:17,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:31:17,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:31:17,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:17,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:31:17,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:31:17,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:17" (1/1) ... [2024-11-02 12:31:17,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e2f3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:17, skipping insertion in model container [2024-11-02 12:31:17,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:31:17" (1/1) ... [2024-11-02 12:31:17,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:31:17,684 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_a6a1f0ce-81bb-4283-ba58-977598c7b545/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-02 12:31:17,693 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_a6a1f0ce-81bb-4283-ba58-977598c7b545/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-02 12:31:18,975 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:18,976 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:18,977 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:18,982 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:18,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,004 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,005 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,007 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,008 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,901 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,902 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:19,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:20,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:31:20,091 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_a6a1f0ce-81bb-4283-ba58-977598c7b545/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4495,4508] [2024-11-02 12:31:20,091 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_a6a1f0ce-81bb-4283-ba58-977598c7b545/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_u8_harness.i[4555,4568] [2024-11-02 12:31:20,158 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,161 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,161 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,162 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,163 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,174 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,174 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,179 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,180 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-02 12:31:20,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:31:20,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-02 12:31:20,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:31:20,739 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:31:20,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20 WrapperNode [2024-11-02 12:31:20,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:31:20,740 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:20,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:31:20,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:31:20,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:20,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:20,974 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 871 [2024-11-02 12:31:20,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:31:20,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:31:20,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:31:20,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:31:20,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:20,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:20,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:20,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:31:21,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:31:21,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:31:21,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:31:21,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (1/1) ... [2024-11-02 12:31:21,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:31:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:31:21,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:31:21,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6a1f0ce-81bb-4283-ba58-977598c7b545/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:31:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:31:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:31:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:31:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:31:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:31:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:31:21,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:31:21,190 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-02 12:31:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-02 12:31:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:31:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:31:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:31:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:31:21,191 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-02 12:31:21,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-02 12:31:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:31:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:31:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:31:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-02 12:31:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-02 12:31:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:31:21,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:31:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-02 12:31:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-02 12:31:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:31:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:31:21,195 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:31:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:31:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:31:21,557 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:31:21,560 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:31:28,495 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2024-11-02 12:31:28,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:31:29,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:31:29,834 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:31:29,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:29 BoogieIcfgContainer [2024-11-02 12:31:29,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:31:29,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:31:29,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:31:29,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:31:29,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:31:17" (1/3) ... [2024-11-02 12:31:29,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9100d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:29, skipping insertion in model container [2024-11-02 12:31:29,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:31:20" (2/3) ... [2024-11-02 12:31:29,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df9100d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:31:29, skipping insertion in model container [2024-11-02 12:31:29,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:31:29" (3/3) ... [2024-11-02 12:31:29,847 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_u8_harness.i [2024-11-02 12:31:29,866 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:31:29,867 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:31:29,935 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:31:29,944 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;@62cd5f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:31:29,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:31:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 53 states have internal predecessors, (62), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-02 12:31:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-02 12:31:29,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:31:29,960 INFO L215 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1] [2024-11-02 12:31:29,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:31:29,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:31:29,967 INFO L85 PathProgramCache]: Analyzing trace with hash -590899972, now seen corresponding path program 1 times [2024-11-02 12:31:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:31:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957171204] [2024-11-02 12:31:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:31:29,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms