./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/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 cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:27:14,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:27:14,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:27:14,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:27:14,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:27:14,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:27:14,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:27:14,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:27:14,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:27:14,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:27:14,368 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:27:14,368 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:27:14,369 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:27:14,369 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:27:14,369 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:27:14,370 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:27:14,370 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:27:14,371 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:27:14,371 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:27:14,371 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:27:14,372 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:27:14,372 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:27:14,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:27:14,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:27:14,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:27:14,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:27:14,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:27:14,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:27:14,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:27:14,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:27:14,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:27:14,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:27:14,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:27:14,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:27:14,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:27:14,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:14,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:27:14,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:27:14,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:27:14,379 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:27:14,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:27:14,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:27:14,383 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:27:14,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:27:14,384 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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2024-11-02 12:27:14,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:27:14,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:27:14,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:27:14,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:27:14,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:27:14,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i Unable to find full path for "g++" [2024-11-02 12:27:16,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:27:17,249 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:27:17,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2024-11-02 12:27:17,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/data/f914a2bbb/89e350d8e1f04a1792defcb60a62bf82/FLAG7ebce15a4 [2024-11-02 12:27:17,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/data/f914a2bbb/89e350d8e1f04a1792defcb60a62bf82 [2024-11-02 12:27:17,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:27:17,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:27:17,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:17,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:27:17,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:27:17,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:17" (1/1) ... [2024-11-02 12:27:17,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bee442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:17, skipping insertion in model container [2024-11-02 12:27:17,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:27:17" (1/1) ... [2024-11-02 12:27:17,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:27:17,831 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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4492,4505] [2024-11-02 12:27:17,841 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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4552,4565] [2024-11-02 12:27:18,940 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,949 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,954 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,955 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,961 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,997 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:18,998 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:19,001 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:19,002 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:19,841 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:19,842 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:19,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:20,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:27:20,084 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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4492,4505] [2024-11-02 12:27:20,085 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_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4552,4565] [2024-11-02 12:27:20,161 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,161 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,162 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,163 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,164 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,172 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,173 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,174 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,175 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-02 12:27:20,352 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,352 WARN L1657 CHandler]: Possible shadowing of function index [2024-11-02 12:27:20,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-02 12:27:20,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:27:20,693 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:27:20,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20 WrapperNode [2024-11-02 12:27:20,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:27:20,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:20,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:27:20,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:27:20,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:20,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:20,960 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2024-11-02 12:27:20,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:27:20,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:27:20,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:27:20,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:27:20,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:20,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:20,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:20,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:27:21,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:27:21,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:27:21,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:27:21,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (1/1) ... [2024-11-02 12:27:21,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:27:21,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:27:21,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:27:21,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_809e3c6a-cae7-424b-ae2b-c3bb4f107cbd/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:27:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-02 12:27:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-02 12:27:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:27:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-02 12:27:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-02 12:27:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:27:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:27:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-02 12:27:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-02 12:27:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-02 12:27:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-02 12:27:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:27:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:27:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:27:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:27:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:27:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-02 12:27:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-02 12:27:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:27:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:27:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:27:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:27:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:27:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-02 12:27:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-02 12:27:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-02 12:27:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-02 12:27:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-02 12:27:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-02 12:27:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-02 12:27:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:27:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-02 12:27:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-02 12:27:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-02 12:27:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-02 12:27:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:27:21,511 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:27:21,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:27:28,863 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-02 12:27:28,864 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:27:30,578 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:27:30,578 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:27:30,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:30 BoogieIcfgContainer [2024-11-02 12:27:30,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:27:30,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:27:30,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:27:30,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:27:30,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:27:17" (1/3) ... [2024-11-02 12:27:30,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390d9967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:30, skipping insertion in model container [2024-11-02 12:27:30,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:27:20" (2/3) ... [2024-11-02 12:27:30,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390d9967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:27:30, skipping insertion in model container [2024-11-02 12:27:30,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:27:30" (3/3) ... [2024-11-02 12:27:30,590 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2024-11-02 12:27:30,610 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:27:30,610 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:27:30,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:27:30,689 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;@217a481f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:27:30,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:27:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.2) internal successors, (54), 47 states have internal predecessors, (54), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-02 12:27:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-02 12:27:30,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:27:30,705 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-02 12:27:30,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:27:30,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:27:30,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1515666022, now seen corresponding path program 1 times [2024-11-02 12:27:30,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:27:30,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033232315] [2024-11-02 12:27:30,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:27:30,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms