./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_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_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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_081c85a3-b8a1-4b47-888b-694ed6be14b2/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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:02,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:02,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:02,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:02,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:02,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:02,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:02,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:02,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:02,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:02,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:02,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:02,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:02,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:02,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:02,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:02,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:02,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:02,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:02,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:02,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:02,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:02,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:02,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:02,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:02,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:02,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:02,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:02,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:02,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:02,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:02,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:02,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:02,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:02,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:02,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:02,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:02,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:02,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:02,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:02,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:02,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:24:02,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:02,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:02,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:02,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:02,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:02,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:02,976 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:02,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:02,977 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:02,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:24:02,978 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:02,979 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:02,979 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:24:02,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:24:02,980 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:02,980 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:24:02,980 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:24:02,981 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:24:02,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:02,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:24:02,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:02,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:02,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:02,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:02,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:02,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:02,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:02,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:02,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:02,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:02,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:02,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:02,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:02,987 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:24:02,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:24:02,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:02,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:02,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:02,988 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-23 17:24:03,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:03,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:03,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:03,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:03,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:03,367 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-23 17:24:03,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/ad3088c20/38d6ff28b49848a29c5aa5057c513154/FLAGebc29307a [2021-11-23 17:24:04,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:04,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-23 17:24:04,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/ad3088c20/38d6ff28b49848a29c5aa5057c513154/FLAGebc29307a [2021-11-23 17:24:04,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/ad3088c20/38d6ff28b49848a29c5aa5057c513154 [2021-11-23 17:24:04,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:04,881 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:04,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:04,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:04,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:04,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:04" (1/1) ... [2021-11-23 17:24:04,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78bb8cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:04, skipping insertion in model container [2021-11-23 17:24:04,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:04" (1/1) ... [2021-11-23 17:24:04,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:05,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:05,470 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-23 17:24:05,480 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-23 17:24:06,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,698 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,722 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,724 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,727 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,745 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,747 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,235 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:07,236 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:07,238 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:07,239 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:07,244 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:07,245 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:07,246 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:07,247 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:07,248 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:07,249 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:07,459 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:07,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:07,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:07,524 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-23 17:24:07,525 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-23 17:24:07,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,646 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,698 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,699 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,699 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,700 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:07,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:07,753 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:07,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:07,755 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:07,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:07,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:07,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:07,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:07,759 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:07,760 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:07,784 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:07,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:08,004 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:08,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08 WrapperNode [2021-11-23 17:24:08,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:08,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:08,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:08,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:08,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,177 INFO L137 Inliner]: procedures = 679, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 78 [2021-11-23 17:24:08,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:08,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:08,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:08,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:08,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:08,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:08,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:08,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:08,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:08" (1/1) ... [2021-11-23 17:24:08,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:08,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:08,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:24:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:24:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:24:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:24:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:24:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:24:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:24:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:24:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:24:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:24:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:24:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:24:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:24:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:24:08,749 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:08,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:09,017 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:24:09,047 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:24:09,053 INFO L158 Benchmark]: Toolchain (without parser) took 4170.72ms. Allocated memory was 92.3MB in the beginning and 165.7MB in the end (delta: 73.4MB). Free memory was 49.1MB in the beginning and 102.0MB in the end (delta: -53.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,054 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:09,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3119.56ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 48.9MB in the beginning and 48.5MB in the end (delta: 425.2kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.64ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 48.5MB in the beginning and 125.1MB in the end (delta: -76.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,057 INFO L158 Benchmark]: Boogie Preprocessor took 85.52ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,066 INFO L158 Benchmark]: RCFGBuilder took 786.19ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 102.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:09,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3119.56ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 48.9MB in the beginning and 48.5MB in the end (delta: 425.2kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.64ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 48.5MB in the beginning and 125.1MB in the end (delta: -76.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.52ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 123.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.19ms. Allocated memory is still 165.7MB. Free memory was 123.0MB in the beginning and 102.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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 17:24:09,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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_081c85a3-b8a1-4b47-888b-694ed6be14b2/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 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:12,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:12,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:12,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:12,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:12,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:12,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:12,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:12,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:12,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:12,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:12,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:12,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:12,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:12,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:12,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:12,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:12,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:12,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:12,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:12,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:12,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:12,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:12,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:12,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:12,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:12,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:12,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:12,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:12,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:12,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:12,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:12,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:12,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:12,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:12,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:12,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:12,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:12,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:12,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:12,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:12,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:24:12,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:12,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:12,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:12,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:12,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:12,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:12,508 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:12,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:12,509 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:12,509 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:12,510 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:12,511 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:12,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:12,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:12,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:12,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:12,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:12,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:24:12,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:24:12,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:24:12,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:12,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:12,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:12,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:12,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:24:12,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:12,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:12,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:12,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:12,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:12,519 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:24:12,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:24:12,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:12,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:12,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:12,528 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811b19098d8792ad6e5000a82cea527dd92a4bca0da5ce1bf33c0114316cf54d [2021-11-23 17:24:13,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:13,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:13,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:13,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:13,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:13,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-23 17:24:13,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/730f7d3d0/c4254b04424c414fb3ce64b27a781fcc/FLAG590af07ab [2021-11-23 17:24:14,252 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:14,252 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i [2021-11-23 17:24:14,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/730f7d3d0/c4254b04424c414fb3ce64b27a781fcc/FLAG590af07ab [2021-11-23 17:24:14,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/data/730f7d3d0/c4254b04424c414fb3ce64b27a781fcc [2021-11-23 17:24:14,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:14,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:14,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:14,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:14,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:14,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:14" (1/1) ... [2021-11-23 17:24:14,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a1d7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:14, skipping insertion in model container [2021-11-23 17:24:14,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:14" (1/1) ... [2021-11-23 17:24:14,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:14,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:15,254 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-23 17:24:15,262 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-23 17:24:16,300 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,302 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,331 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,338 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,866 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:16,868 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:16,870 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:16,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:16,874 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:16,876 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:16,877 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:16,878 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:16,879 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:16,880 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:17,084 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:17,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:17,206 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:24:17,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:17,269 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-23 17:24:17,270 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-23 17:24:17,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,330 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,331 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,343 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,346 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,349 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,350 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,351 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,423 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:17,424 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:17,441 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:17,443 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:17,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:17,452 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:17,453 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:17,454 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:17,455 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:17,457 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:17,512 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:17,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:17,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:17,609 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4502,4515] [2021-11-23 17:24:17,609 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_081c85a3-b8a1-4b47-888b-694ed6be14b2/sv-benchmarks/c/aws-c-common/aws_linked_list_insert_after_harness.i[4562,4575] [2021-11-23 17:24:17,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,705 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,706 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,707 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,708 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,709 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:17,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:17,753 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:17,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:17,755 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:17,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:17,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:17,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:17,757 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:17,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:17,758 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:17,819 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:17,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:18,381 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:18,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18 WrapperNode [2021-11-23 17:24:18,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:18,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:18,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:18,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:18,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,594 INFO L137 Inliner]: procedures = 698, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 79 [2021-11-23 17:24:18,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:18,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:18,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:18,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:18,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:18,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:18,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:18,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:18,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (1/1) ... [2021-11-23 17:24:18,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:18,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:18,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:18,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:24:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:24:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:24:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:24:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:24:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:24:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:24:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:24:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:24:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:24:19,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:19,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:19,750 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:24:19,758 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:24:19,762 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:24:19,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:24:19 BoogieIcfgContainer [2021-11-23 17:24:19,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:24:19,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:24:19,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:24:19,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:24:19,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:24:14" (1/3) ... [2021-11-23 17:24:19,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbc6d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:24:19, skipping insertion in model container [2021-11-23 17:24:19,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:18" (2/3) ... [2021-11-23 17:24:19,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bbc6d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:24:19, skipping insertion in model container [2021-11-23 17:24:19,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:24:19" (3/3) ... [2021-11-23 17:24:19,780 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2021-11-23 17:24:19,788 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:24:19,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:24:19,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:24:19,904 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 17:24:19,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:24:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2021-11-23 17:24:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 17:24:19,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:24:19,942 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:24:19,942 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:24:19,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:24:19,951 INFO L85 PathProgramCache]: Analyzing trace with hash -946824848, now seen corresponding path program 1 times [2021-11-23 17:24:19,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:24:19,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610622777] [2021-11-23 17:24:19,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:24:19,986 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:24:19,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:24:19,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:24:20,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:24:20,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:24:20,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:24:20,334 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 17:24:20,344 INFO L158 Benchmark]: Toolchain (without parser) took 5656.89ms. Allocated memory was 50.3MB in the beginning and 119.5MB in the end (delta: 69.2MB). Free memory was 29.6MB in the beginning and 58.0MB in the end (delta: -28.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,344 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 50.3MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:20,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3703.34ms. Allocated memory was 50.3MB in the beginning and 92.3MB in the end (delta: 41.9MB). Free memory was 29.5MB in the beginning and 47.3MB in the end (delta: -17.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.78ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 42.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,353 INFO L158 Benchmark]: Boogie Preprocessor took 73.29ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 38.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,357 INFO L158 Benchmark]: RCFGBuilder took 1095.28ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 38.9MB in the beginning and 70.6MB in the end (delta: -31.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,360 INFO L158 Benchmark]: TraceAbstraction took 573.09ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,365 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 50.3MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3703.34ms. Allocated memory was 50.3MB in the beginning and 92.3MB in the end (delta: 41.9MB). Free memory was 29.5MB in the beginning and 47.3MB in the end (delta: -17.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 201.78ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 42.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.29ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 38.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.28ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 38.9MB in the beginning and 70.6MB in the end (delta: -31.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 573.09ms. Allocated memory is still 119.5MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. 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 17:24:20,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_081c85a3-b8a1-4b47-888b-694ed6be14b2/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