./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:18,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:18,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:18,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:18,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:18,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:18,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:18,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:18,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:18,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:18,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:18,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:18,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:18,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:18,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:18,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:18,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:18,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:18,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:18,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:18,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:18,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:18,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:18,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:18,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:18,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:18,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:18,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:18,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:18,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:18,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:18,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:18,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:18,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:18,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:18,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:18,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:18,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:18,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:18,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:18,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:18,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:06:18,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:18,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:18,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:18,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:18,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:18,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:18,421 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:18,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:18,422 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:18,422 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:06:18,423 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:18,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:18,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:06:18,424 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:06:18,425 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:18,425 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:06:18,425 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:06:18,426 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:06:18,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:18,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:06:18,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:18,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:18,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:18,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:18,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:18,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:18,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:18,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:18,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:18,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:18,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:18,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:18,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:18,434 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:06:18,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:06:18,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:18,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:18,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:18,435 INFO L138 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2021-11-23 17:06:18,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:18,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:18,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:18,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:18,880 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:18,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-23 17:06:18,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/e74eebb31/556e48899f5345f49400989efbbe4771/FLAGa74071d90 [2021-11-23 17:06:20,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:20,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-23 17:06:20,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/e74eebb31/556e48899f5345f49400989efbbe4771/FLAGa74071d90 [2021-11-23 17:06:20,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/e74eebb31/556e48899f5345f49400989efbbe4771 [2021-11-23 17:06:20,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:20,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:20,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:20,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:20,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:20,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:20" (1/1) ... [2021-11-23 17:06:20,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1631066d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:20, skipping insertion in model container [2021-11-23 17:06:20,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:20" (1/1) ... [2021-11-23 17:06:20,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:20,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:21,091 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-23 17:06:21,101 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-23 17:06:22,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,369 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,370 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,371 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,372 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,390 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,391 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,393 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:22,394 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,030 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:06:23,032 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:06:23,034 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:06:23,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:06:23,044 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:06:23,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:06:23,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:06:23,054 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:06:23,056 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:06:23,057 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:06:23,289 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:06:23,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:23,739 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:23,774 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-23 17:06:23,775 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-23 17:06:23,831 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,832 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:23,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:06:23,910 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:06:23,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:06:23,912 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:06:23,914 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:06:23,914 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:06:23,915 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:06:23,915 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:06:23,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:06:23,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:06:23,953 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:06:24,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:24,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:24,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:24,452 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:24,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24 WrapperNode [2021-11-23 17:06:24,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:24,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:24,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:24,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:24,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,721 INFO L137 Inliner]: procedures = 691, calls = 2645, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 975 [2021-11-23 17:06:24,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:24,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:24,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:24,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:24,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:24,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:24,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:24,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:24,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:24" (1/1) ... [2021-11-23 17:06:24,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:24,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:24,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:24,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2021-11-23 17:06:24,969 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2021-11-23 17:06:24,969 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2021-11-23 17:06:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2021-11-23 17:06:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2021-11-23 17:06:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-23 17:06:24,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-23 17:06:24,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:06:24,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:06:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-11-23 17:06:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:06:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:06:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh64 [2021-11-23 17:06:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh64 [2021-11-23 17:06:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:06:24,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:06:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:06:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:06:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:06:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:06:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:06:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:24,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:24,974 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:06:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:06:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 17:06:24,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 17:06:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:06:24,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:06:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:06:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:06:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:06:24,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:06:24,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:06:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:06:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:06:24,977 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:06:24,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:06:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2021-11-23 17:06:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2021-11-23 17:06:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-11-23 17:06:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:06:25,345 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:25,349 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:27,258 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:27,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:06:27,420 INFO L158 Benchmark]: Toolchain (without parser) took 6904.81ms. Allocated memory was 94.4MB in the beginning and 237.0MB in the end (delta: 142.6MB). Free memory was 51.4MB in the beginning and 168.8MB in the end (delta: -117.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:27,421 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 49.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:27,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3941.85ms. Allocated memory was 94.4MB in the beginning and 169.9MB in the end (delta: 75.5MB). Free memory was 51.2MB in the beginning and 82.9MB in the end (delta: -31.7MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2021-11-23 17:06:27,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.84ms. Allocated memory is still 169.9MB. Free memory was 82.9MB in the beginning and 115.2MB in the end (delta: -32.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:06:27,424 INFO L158 Benchmark]: Boogie Preprocessor took 143.25ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 106.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:27,428 INFO L158 Benchmark]: RCFGBuilder took 2546.44ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 106.8MB in the beginning and 168.8MB in the end (delta: -62.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2021-11-23 17:06:27,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 94.4MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 49.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3941.85ms. Allocated memory was 94.4MB in the beginning and 169.9MB in the end (delta: 75.5MB). Free memory was 51.2MB in the beginning and 82.9MB in the end (delta: -31.7MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 267.84ms. Allocated memory is still 169.9MB. Free memory was 82.9MB in the beginning and 115.2MB in the end (delta: -32.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 143.25ms. Allocated memory is still 169.9MB. Free memory was 115.2MB in the beginning and 106.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2546.44ms. Allocated memory was 169.9MB in the beginning and 237.0MB in the end (delta: 67.1MB). Free memory was 106.8MB in the beginning and 168.8MB in the end (delta: -62.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:06:27,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --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 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:30,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:30,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:30,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:30,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:30,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:30,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:30,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:30,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:30,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:30,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:30,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:30,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:30,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:30,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:30,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:30,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:30,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:30,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:30,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:30,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:30,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:30,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:30,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:30,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:30,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:30,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:30,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:30,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:30,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:30,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:30,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:30,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:30,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:30,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:30,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:30,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:30,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:30,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:30,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:30,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:30,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:06:30,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:30,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:30,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:30,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:30,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:30,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:30,496 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:30,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:30,497 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:30,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:30,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:30,499 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:30,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:30,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:30,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:30,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:30,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:30,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:06:30,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:06:30,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:06:30,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:30,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:30,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:30,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:30,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:06:30,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:30,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:30,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:30,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:30,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:30,504 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:06:30,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:06:30,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:30,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:30,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:30,506 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b90640eabcf61bf9b6c4e01fcd2a39b8b829676407f71504872cd65ce1f895a [2021-11-23 17:06:31,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:31,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:31,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:31,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:31,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:31,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-23 17:06:31,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/40a58bc90/7892e2a93267492985fcb71dbaa71d6b/FLAG91f28e447 [2021-11-23 17:06:32,303 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:32,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i [2021-11-23 17:06:32,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/40a58bc90/7892e2a93267492985fcb71dbaa71d6b/FLAG91f28e447 [2021-11-23 17:06:32,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/data/40a58bc90/7892e2a93267492985fcb71dbaa71d6b [2021-11-23 17:06:32,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:32,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:32,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:32,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:32,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:32,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:32" (1/1) ... [2021-11-23 17:06:32,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d6a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:32, skipping insertion in model container [2021-11-23 17:06:32,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:32" (1/1) ... [2021-11-23 17:06:32,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:32,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:33,134 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-23 17:06:33,143 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-23 17:06:34,509 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,510 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,513 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,546 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:34,547 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,071 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:06:35,073 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:06:35,074 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:06:35,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:06:35,078 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:06:35,079 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:06:35,080 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:06:35,080 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:06:35,081 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:06:35,082 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:06:35,368 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:06:35,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:35,761 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:06:35,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:35,821 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-23 17:06:35,822 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-23 17:06:35,920 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,935 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,936 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,937 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,947 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,948 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,949 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:35,996 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:06:35,998 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:06:35,999 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:06:36,005 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:06:36,006 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:06:36,007 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:06:36,008 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:06:36,012 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:06:36,013 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:06:36,013 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:06:36,051 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:06:36,149 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,150 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:36,281 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:06:36,312 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4499,4512] [2021-11-23 17:06:36,313 WARN L230 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_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be64_harness.i[4559,4572] [2021-11-23 17:06:36,373 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,373 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,374 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,374 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,375 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,453 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:06:36,457 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:06:36,458 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:06:36,459 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:06:36,460 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:06:36,460 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:06:36,461 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:06:36,461 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:06:36,462 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:06:36,463 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:06:36,491 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:06:36,577 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,578 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:06:36,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:06:37,187 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:06:37,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37 WrapperNode [2021-11-23 17:06:37,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:37,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:37,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:06:37,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:06:37,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,527 INFO L137 Inliner]: procedures = 711, calls = 2645, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 976 [2021-11-23 17:06:37,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:06:37,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:06:37,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:06:37,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:06:37,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:06:37,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:06:37,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:06:37,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:06:37,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (1/1) ... [2021-11-23 17:06:37,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:06:37,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:06:37,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:06:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2021-11-23 17:06:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2021-11-23 17:06:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2021-11-23 17:06:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2021-11-23 17:06:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2021-11-23 17:06:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-23 17:06:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-23 17:06:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:06:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 17:06:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:06:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:06:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:06:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:06:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:06:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-23 17:06:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh64 [2021-11-23 17:06:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh64 [2021-11-23 17:06:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:06:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:06:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:06:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:06:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:06:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:06:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:06:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:06:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:06:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:06:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:06:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:06:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:06:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:06:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:06:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:06:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 17:06:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 17:06:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:06:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:06:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:06:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:06:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:06:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:06:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:06:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:06:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:06:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:06:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:06:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:06:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-23 17:06:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-23 17:06:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-23 17:06:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:06:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:06:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:06:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:06:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:06:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:06:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2021-11-23 17:06:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2021-11-23 17:06:38,303 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:06:38,310 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:06:45,935 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:06:45,949 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:06:45,950 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:06:45,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:45 BoogieIcfgContainer [2021-11-23 17:06:45,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:06:45,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:06:45,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:06:45,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:06:45,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:06:32" (1/3) ... [2021-11-23 17:06:45,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aea25f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:45, skipping insertion in model container [2021-11-23 17:06:45,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:37" (2/3) ... [2021-11-23 17:06:45,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aea25f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:06:45, skipping insertion in model container [2021-11-23 17:06:45,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:06:45" (3/3) ... [2021-11-23 17:06:45,964 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be64_harness.i [2021-11-23 17:06:45,980 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:06:45,983 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:06:46,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:06:46,050 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:06:46,050 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:06:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 103 states have (on average 1.2233009708737863) internal successors, (126), 104 states have internal predecessors, (126), 50 states have call successors, (50), 13 states have call predecessors, (50), 13 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-23 17:06:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-23 17:06:46,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:06:46,095 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2021-11-23 17:06:46,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:06:46,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:06:46,102 INFO L85 PathProgramCache]: Analyzing trace with hash 236465155, now seen corresponding path program 1 times [2021-11-23 17:06:46,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:06:46,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072997716] [2021-11-23 17:06:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:06:46,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:06:46,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:06:46,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:06:46,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:06:46,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:06:46,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:06:46,506 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:06:46,516 INFO L158 Benchmark]: Toolchain (without parser) took 13865.98ms. Allocated memory was 65.0MB in the beginning and 216.0MB in the end (delta: 151.0MB). Free memory was 35.3MB in the beginning and 139.2MB in the end (delta: -103.9MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,516 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:46,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4540.82ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 35.2MB in the beginning and 56.1MB in the end (delta: -20.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 337.51ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 83.7MB in the end (delta: -27.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,518 INFO L158 Benchmark]: Boogie Preprocessor took 185.48ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 74.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,519 INFO L158 Benchmark]: RCFGBuilder took 8237.27ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 74.6MB in the beginning and 156.4MB in the end (delta: -81.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,519 INFO L158 Benchmark]: TraceAbstraction took 557.72ms. Allocated memory is still 216.0MB. Free memory was 156.4MB in the beginning and 139.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:06:46,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4540.82ms. Allocated memory was 65.0MB in the beginning and 142.6MB in the end (delta: 77.6MB). Free memory was 35.2MB in the beginning and 56.1MB in the end (delta: -20.9MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 337.51ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 83.7MB in the end (delta: -27.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 185.48ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 74.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8237.27ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 74.6MB in the beginning and 156.4MB in the end (delta: -81.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * TraceAbstraction took 557.72ms. Allocated memory is still 216.0MB. Free memory was 156.4MB in the beginning and 139.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:06:46,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81f1fe9f-c8fb-4ba4-ade2-4290d3d978e7/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable