./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:08,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:08,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:08,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:08,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:08,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:08,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:08,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:08,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:08,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:08,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:08,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:08,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:08,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:08,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:08,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:08,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:08,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:08,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:08,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:08,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:08,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:08,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:08,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:08,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:08,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:08,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:08,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:08,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:08,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:08,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:08,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:08,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:08,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:08,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:08,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:08,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:08,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:08,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:08,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:08,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:08,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:01:08,388 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:08,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:08,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:08,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:08,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:08,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:08,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:08,391 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:08,391 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:08,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:01:08,392 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:08,392 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:08,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:01:08,393 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:01:08,393 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:08,393 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:01:08,394 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:01:08,394 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:01:08,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:08,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:01:08,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:08,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:08,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:08,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:08,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:08,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:08,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:08,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:08,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:08,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:08,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:08,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:08,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:08,400 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:01:08,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:01:08,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:08,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:08,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:08,401 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 [2021-11-23 17:01:08,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:08,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:08,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:08,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:08,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:08,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-11-23 17:01:08,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/2e40dba72/c8e26e4a8658478bb78ea4a080f60eb8/FLAG32f1d55a7 [2021-11-23 17:01:09,610 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:09,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-11-23 17:01:09,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/2e40dba72/c8e26e4a8658478bb78ea4a080f60eb8/FLAG32f1d55a7 [2021-11-23 17:01:09,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/2e40dba72/c8e26e4a8658478bb78ea4a080f60eb8 [2021-11-23 17:01:09,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:09,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:09,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:09,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:09,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:09,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:09" (1/1) ... [2021-11-23 17:01:09,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467d5928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:09, skipping insertion in model container [2021-11-23 17:01:09,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:09" (1/1) ... [2021-11-23 17:01:09,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:09,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:10,210 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2021-11-23 17:01:10,217 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2021-11-23 17:01:11,091 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:01:11,161 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,161 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,162 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,164 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,183 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,184 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,185 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,574 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:01:11,575 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:01:11,576 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:01:11,578 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:01:11,579 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:01:11,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:01:11,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:01:11,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:01:11,582 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:01:11,583 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:01:11,718 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,726 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:11,890 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:11,905 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2021-11-23 17:01:11,905 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2021-11-23 17:01:11,943 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:01:11,962 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,963 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,965 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,973 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,973 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,975 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,975 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,976 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:11,978 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:12,019 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:01:12,020 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:01:12,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:01:12,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:01:12,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:01:12,024 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:01:12,024 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:01:12,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:01:12,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:01:12,026 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:01:12,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:12,054 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:12,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:12,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:12,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12 WrapperNode [2021-11-23 17:01:12,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:12,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:12,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:12,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:12,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,517 INFO L137 Inliner]: procedures = 690, calls = 1553, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 577 [2021-11-23 17:01:12,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:12,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:12,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:12,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:12,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:12,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:12,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:12,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:12,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:12" (1/1) ... [2021-11-23 17:01:12,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:12,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:12,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:12,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:01:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:01:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:01:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-23 17:01:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-23 17:01:12,702 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-23 17:01:12,702 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-23 17:01:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:01:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:01:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:01:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:01:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:01:12,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:01:12,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:01:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:01:12,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:01:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:01:12,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:01:12,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 17:01:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 17:01:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-23 17:01:12,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-23 17:01:12,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:01:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:01:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:01:12,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:01:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:01:12,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:01:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:01:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:01:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:01:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 17:01:12,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 17:01:12,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:01:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:01:13,041 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:13,044 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:13,971 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:14,059 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:01:14,070 INFO L158 Benchmark]: Toolchain (without parser) took 4380.29ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 79.1MB in the beginning and 85.8MB in the end (delta: -6.7MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-11-23 17:01:14,071 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:14,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2632.06ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 500.3kB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-11-23 17:01:14,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.89ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 70.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:01:14,077 INFO L158 Benchmark]: Boogie Preprocessor took 83.70ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 65.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:01:14,078 INFO L158 Benchmark]: RCFGBuilder took 1461.64ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 65.2MB in the beginning and 85.8MB in the end (delta: -20.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 17:01:14,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2632.06ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 79.1MB in the beginning and 78.6MB in the end (delta: 500.3kB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.89ms. Allocated memory is still 127.9MB. Free memory was 78.6MB in the beginning and 70.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.70ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 65.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1461.64ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 65.2MB in the beginning and 85.8MB in the end (delta: -20.6MB). Peak memory consumption was 27.7MB. 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 17:01:14,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:01:16,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:01:16,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:01:16,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:01:16,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:01:16,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:01:16,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:01:16,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:01:16,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:01:16,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:01:16,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:01:16,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:01:16,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:01:16,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:01:16,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:01:16,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:01:16,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:01:16,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:01:16,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:01:16,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:01:16,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:01:16,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:01:16,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:01:16,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:01:16,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:01:16,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:01:16,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:01:16,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:01:16,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:01:16,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:01:16,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:01:16,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:01:16,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:01:16,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:01:16,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:01:16,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:01:16,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:01:16,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:01:16,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:01:16,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:01:16,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:01:16,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:01:16,782 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:01:16,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:01:16,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:01:16,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:01:16,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:01:16,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:01:16,785 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:01:16,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:01:16,785 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:01:16,785 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:01:16,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:01:16,787 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:01:16,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:01:16,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:01:16,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:01:16,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:01:16,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:01:16,789 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:01:16,790 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:01:16,790 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:01:16,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:01:16,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:01:16,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:01:16,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:01:16,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:01:16,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:01:16,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:16,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:01:16,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:01:16,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:01:16,792 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:01:16,793 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:01:16,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:01:16,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:01:16,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:01:16,794 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ba879a31f48d1f1f7d1dc7f928910bfb7ed0629fadb04ed483f94e60bfd5ef0 [2021-11-23 17:01:17,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:01:17,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:01:17,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:01:17,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:01:17,251 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:01:17,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-11-23 17:01:17,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/780bcf94d/7ce2ae766d384f05824abfab173ac886/FLAG9bd7db360 [2021-11-23 17:01:18,241 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:01:18,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i [2021-11-23 17:01:18,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/780bcf94d/7ce2ae766d384f05824abfab173ac886/FLAG9bd7db360 [2021-11-23 17:01:18,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/data/780bcf94d/7ce2ae766d384f05824abfab173ac886 [2021-11-23 17:01:18,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:01:18,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:01:18,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:18,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:01:18,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:01:18,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:18" (1/1) ... [2021-11-23 17:01:18,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4e26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:18, skipping insertion in model container [2021-11-23 17:01:18,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:01:18" (1/1) ... [2021-11-23 17:01:18,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:01:18,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:19,204 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2021-11-23 17:01:19,210 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2021-11-23 17:01:20,026 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:01:20,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,116 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,117 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,117 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,119 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,134 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,144 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,146 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,147 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,148 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,149 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,150 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,151 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,545 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:01:20,547 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:01:20,548 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:01:20,550 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:01:20,551 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:01:20,552 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:01:20,553 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:01:20,554 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:01:20,555 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:01:20,556 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:01:20,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,712 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:20,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:20,858 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:01:20,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:01:20,914 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2021-11-23 17:01:20,914 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2021-11-23 17:01:20,983 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:01:21,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,060 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,127 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:01:21,128 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:01:21,129 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:01:21,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:01:21,136 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:01:21,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:01:21,138 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:01:21,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:01:21,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:01:21,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:01:21,163 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,169 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:21,205 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:01:21,218 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4497,4510] [2021-11-23 17:01:21,219 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_6c1c2d06-7900-4d9d-92b2-f73d40357b02/sv-benchmarks/c/aws-c-common/aws_array_list_clean_up_harness.i[4557,4570] [2021-11-23 17:01:21,248 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:01:21,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,296 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,296 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,297 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,303 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,304 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,341 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:01:21,342 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:01:21,343 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:01:21,343 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:01:21,344 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:01:21,345 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:01:21,345 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:01:21,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:01:21,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:01:21,346 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:01:21,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:01:21,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:01:21,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:01:21,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21 WrapperNode [2021-11-23 17:01:21,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:01:21,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:21,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:01:21,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:01:21,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:21,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:21,918 INFO L137 Inliner]: procedures = 710, calls = 1553, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2021-11-23 17:01:21,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:01:21,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:01:21,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:01:21,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:01:21,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:21,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:21,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:21,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:22,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:22,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:22,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:22,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:01:22,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:01:22,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:01:22,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:01:22,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (1/1) ... [2021-11-23 17:01:22,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:01:22,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:01:22,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:01:22,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:01:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:01:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:01:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:01:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-23 17:01:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-23 17:01:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-23 17:01:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-23 17:01:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:01:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:01:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:01:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:01:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:01:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:01:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:01:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:01:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:01:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:01:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:01:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:01:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:01:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:01:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:01:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:01:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:01:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:01:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 17:01:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 17:01:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-23 17:01:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-23 17:01:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:01:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:01:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:01:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:01:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:01:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:01:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:01:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:01:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:01:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:01:22,171 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 17:01:22,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 17:01:22,556 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:01:22,558 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:01:24,334 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:01:24,341 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:01:24,341 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 17:01:24,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:24 BoogieIcfgContainer [2021-11-23 17:01:24,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:01:24,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:01:24,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:01:24,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:01:24,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:01:18" (1/3) ... [2021-11-23 17:01:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ecc299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:24, skipping insertion in model container [2021-11-23 17:01:24,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:01:21" (2/3) ... [2021-11-23 17:01:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ecc299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:01:24, skipping insertion in model container [2021-11-23 17:01:24,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:01:24" (3/3) ... [2021-11-23 17:01:24,352 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_clean_up_harness.i [2021-11-23 17:01:24,357 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:01:24,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:01:24,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:01:24,412 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 17:01:24,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:01:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 22 states have call successors, (22), 13 states have call predecessors, (22), 13 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-23 17:01:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 17:01:24,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:01:24,442 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 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] [2021-11-23 17:01:24,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:01:24,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:01:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 213945854, now seen corresponding path program 1 times [2021-11-23 17:01:24,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:01:24,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772957218] [2021-11-23 17:01:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:01:24,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:01:24,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:01:24,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:01:24,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:01:24,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:01:24,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:01:24,809 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 17:01:24,812 INFO L158 Benchmark]: Toolchain (without parser) took 6074.34ms. Allocated memory was 69.2MB in the beginning and 182.5MB in the end (delta: 113.2MB). Free memory was 46.4MB in the beginning and 127.0MB in the end (delta: -80.6MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,813 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:01:24,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3005.09ms. Allocated memory was 69.2MB in the beginning and 140.5MB in the end (delta: 71.3MB). Free memory was 46.3MB in the beginning and 93.8MB in the end (delta: -47.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.32ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 85.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,814 INFO L158 Benchmark]: Boogie Preprocessor took 147.29ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 79.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,815 INFO L158 Benchmark]: RCFGBuilder took 2274.18ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 52.2MB in the end (delta: 26.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,816 INFO L158 Benchmark]: TraceAbstraction took 465.11ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 127.0MB in the end (delta: -75.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 17:01:24,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3005.09ms. Allocated memory was 69.2MB in the beginning and 140.5MB in the end (delta: 71.3MB). Free memory was 46.3MB in the beginning and 93.8MB in the end (delta: -47.5MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.32ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 85.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.29ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 79.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2274.18ms. Allocated memory is still 140.5MB. Free memory was 78.4MB in the beginning and 52.2MB in the end (delta: 26.2MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * TraceAbstraction took 465.11ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 127.0MB in the end (delta: -75.0MB). Peak memory consumption was 11.4MB. 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 17:01:24,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1c2d06-7900-4d9d-92b2-f73d40357b02/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