./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_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_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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_6ed823de-c973-42bc-bbb6-53a1d7209e32/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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:29:19,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:29:19,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:29:19,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:29:19,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:29:19,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:29:19,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:29:19,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:29:19,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:29:19,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:29:19,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:29:19,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:29:19,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:29:19,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:29:19,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:29:19,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:29:19,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:29:19,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:29:19,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:29:19,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:29:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:29:19,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:29:19,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:29:19,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:29:19,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:29:19,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:29:19,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:29:19,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:29:19,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:29:19,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:29:19,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:29:19,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:29:19,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:29:19,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:29:19,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:29:19,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:29:19,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:29:19,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:29:19,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:29:19,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:29:19,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:29:19,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:29:20,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:29:20,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:29:20,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:29:20,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:29:20,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:29:20,006 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:29:20,006 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:29:20,006 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:29:20,007 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:29:20,007 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:29:20,008 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:29:20,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:29:20,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:29:20,009 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:29:20,010 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:29:20,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:29:20,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:29:20,011 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:29:20,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:29:20,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:29:20,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:29:20,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:29:20,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:29:20,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:29:20,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:29:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:29:20,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:29:20,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:29:20,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:29:20,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:20,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:29:20,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:29:20,020 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:29:20,021 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:29:20,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:29:20,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:29:20,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:29:20,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:29:20,022 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-23 17:29:20,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:29:20,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:29:20,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:29:20,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:29:20,405 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:29:20,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-23 17:29:20,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/54aa1b9e7/27ba2ebd62d14cbd9cb7212f6cc26881/FLAG68c294bdb [2021-11-23 17:29:21,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:29:21,530 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-23 17:29:21,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/54aa1b9e7/27ba2ebd62d14cbd9cb7212f6cc26881/FLAG68c294bdb [2021-11-23 17:29:21,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/54aa1b9e7/27ba2ebd62d14cbd9cb7212f6cc26881 [2021-11-23 17:29:21,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:29:21,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:29:21,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:21,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:29:21,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:29:21,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b29a318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:21, skipping insertion in model container [2021-11-23 17:29:21,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:21" (1/1) ... [2021-11-23 17:29:21,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:29:22,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:22,554 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-23 17:29:22,565 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-23 17:29:23,618 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,619 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,652 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,655 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,656 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,658 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,659 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,661 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:23,662 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,105 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:29:24,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:29:24,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:29:24,111 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:29:24,113 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:29:24,114 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:29:24,116 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:29:24,117 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:29:24,118 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:29:24,119 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:29:24,321 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:29:24,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:24,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:29:24,383 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-23 17:29:24,384 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-23 17:29:24,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,490 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,491 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,492 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,520 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,521 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,523 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:24,616 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:29:24,618 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:29:24,619 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:29:24,621 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:29:24,636 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:29:24,637 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:29:24,638 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:29:24,638 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:29:24,639 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:29:24,640 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:29:24,677 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:29:24,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:25,052 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:29:25,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25 WrapperNode [2021-11-23 17:29:25,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:25,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:25,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:29:25,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:29:25,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,265 INFO L137 Inliner]: procedures = 679, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 60 [2021-11-23 17:29:25,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:25,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:29:25,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:29:25,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:29:25,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:29:25,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:29:25,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:29:25,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:29:25,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:25" (1/1) ... [2021-11-23 17:29:25,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:25,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:29:25,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:29:25,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:29:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:29:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:29:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:29:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:29:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:29:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:29:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:29:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:29:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:29:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:29:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:29:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:29:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:29:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:29:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 17:29:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 17:29:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:29:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:29:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:29:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:29:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:29:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:29:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:29:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:29:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:29:25,715 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:29:25,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:29:26,055 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:29:26,140 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:29:26,153 INFO L158 Benchmark]: Toolchain (without parser) took 4214.00ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 46.3MB in the beginning and 96.2MB in the end (delta: -49.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 17:29:26,159 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:29:26,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3113.66ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 46.1MB in the beginning and 123.0MB in the end (delta: -76.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2021-11-23 17:29:26,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.52ms. Allocated memory is still 161.5MB. Free memory was 123.0MB in the beginning and 118.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:29:26,165 INFO L158 Benchmark]: Boogie Preprocessor took 83.66ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 115.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:29:26,168 INFO L158 Benchmark]: RCFGBuilder took 786.68ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 96.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:29:26,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3113.66ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 46.1MB in the beginning and 123.0MB in the end (delta: -76.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.52ms. Allocated memory is still 161.5MB. Free memory was 123.0MB in the beginning and 118.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.66ms. Allocated memory is still 161.5MB. Free memory was 118.3MB in the beginning and 115.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 786.68ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 96.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. 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 17:29:26,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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_6ed823de-c973-42bc-bbb6-53a1d7209e32/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 be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:29:29,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:29:29,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:29:29,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:29:29,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:29:29,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:29:29,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:29:29,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:29:29,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:29:29,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:29:29,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:29:29,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:29:29,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:29:29,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:29:29,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:29:29,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:29:29,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:29:29,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:29:29,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:29:29,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:29:29,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:29:29,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:29:29,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:29:29,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:29:29,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:29:29,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:29:29,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:29:29,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:29:29,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:29:29,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:29:29,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:29:29,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:29:29,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:29:29,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:29:29,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:29:29,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:29:29,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:29:29,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:29:29,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:29:29,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:29:29,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:29:29,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:29:29,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:29:29,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:29:29,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:29:29,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:29:29,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:29:29,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:29:29,604 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:29:29,605 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:29:29,605 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:29:29,605 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:29:29,606 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:29:29,607 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:29:29,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:29:29,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:29:29,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:29:29,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:29:29,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:29:29,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:29:29,610 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:29:29,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:29:29,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:29:29,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:29:29,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:29:29,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:29:29,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:29:29,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:29:29,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:29,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:29:29,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:29:29,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:29:29,613 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:29:29,613 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:29:29,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:29:29,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:29:29,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:29:29,614 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-11-23 17:29:30,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:29:30,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:29:30,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:29:30,127 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:29:30,128 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:29:30,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-23 17:29:30,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/d4aacead5/f4acd44cdf63400da4ccaa06d4085d4f/FLAG8d183a40a [2021-11-23 17:29:31,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:29:31,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-11-23 17:29:31,452 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/d4aacead5/f4acd44cdf63400da4ccaa06d4085d4f/FLAG8d183a40a [2021-11-23 17:29:31,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/data/d4aacead5/f4acd44cdf63400da4ccaa06d4085d4f [2021-11-23 17:29:31,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:29:31,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:29:31,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:31,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:29:31,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:29:31,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:31" (1/1) ... [2021-11-23 17:29:31,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54144ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:31, skipping insertion in model container [2021-11-23 17:29:31,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:29:31" (1/1) ... [2021-11-23 17:29:31,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:29:31,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:32,358 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-23 17:29:32,369 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-23 17:29:34,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,049 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,050 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,052 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,070 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,075 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,077 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:34,683 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:29:34,685 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:29:34,686 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:29:34,698 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:29:34,700 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:29:34,701 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:29:34,702 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:29:34,703 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:29:34,704 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:29:34,705 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:29:34,899 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:29:34,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:34,953 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:29:35,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:29:35,011 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-23 17:29:35,011 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-23 17:29:35,064 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,065 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,066 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,067 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,077 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,078 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,079 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:29:35,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:29:35,136 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:29:35,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:29:35,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:29:35,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:29:35,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:29:35,141 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:29:35,142 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:29:35,142 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:29:35,173 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:29:35,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:35,200 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:29:35,216 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-11-23 17:29:35,217 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_6ed823de-c973-42bc-bbb6-53a1d7209e32/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-11-23 17:29:35,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,272 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,326 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,326 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:29:35,381 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:29:35,381 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:29:35,382 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:29:35,383 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:29:35,384 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:29:35,385 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:29:35,386 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:29:35,392 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:29:35,392 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:29:35,393 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:29:35,417 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:29:35,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:29:35,842 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:29:35,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35 WrapperNode [2021-11-23 17:29:35,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:29:35,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:35,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:29:35,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:29:35,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:35,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,058 INFO L137 Inliner]: procedures = 698, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 61 [2021-11-23 17:29:36,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:29:36,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:29:36,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:29:36,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:29:36,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:29:36,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:29:36,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:29:36,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:29:36,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (1/1) ... [2021-11-23 17:29:36,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:29:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:29:36,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:29:36,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:29:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:29:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:29:36,262 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:29:36,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:29:36,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:29:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:29:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:29:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:29:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:29:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:29:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:29:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:29:36,266 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:29:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:29:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:29:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:29:36,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 17:29:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 17:29:36,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:29:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:29:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:29:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:29:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:29:36,270 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:29:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:29:36,271 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:29:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:29:36,710 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:29:36,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:29:37,367 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:29:37,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:29:37,376 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:29:37,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:37 BoogieIcfgContainer [2021-11-23 17:29:37,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:29:37,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:29:37,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:29:37,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:29:37,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:29:31" (1/3) ... [2021-11-23 17:29:37,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4901d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:37, skipping insertion in model container [2021-11-23 17:29:37,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:29:35" (2/3) ... [2021-11-23 17:29:37,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4901d256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:29:37, skipping insertion in model container [2021-11-23 17:29:37,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:29:37" (3/3) ... [2021-11-23 17:29:37,427 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2021-11-23 17:29:37,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:29:37,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:29:37,519 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:29:37,540 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 17:29:37,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:29:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 17:29:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 17:29:37,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:29:37,576 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:29:37,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:29:37,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:29:37,590 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2021-11-23 17:29:37,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:29:37,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1254020971] [2021-11-23 17:29:37,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:29:37,614 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:29:37,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:29:37,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:29:37,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:29:37,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:29:37,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:29:37,958 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 17:29:37,966 INFO L158 Benchmark]: Toolchain (without parser) took 6186.83ms. Allocated memory was 65.0MB in the beginning and 102.8MB in the end (delta: 37.7MB). Free memory was 37.6MB in the beginning and 54.9MB in the end (delta: -17.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,967 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:29:37,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4063.87ms. Allocated memory was 65.0MB in the beginning and 102.8MB in the end (delta: 37.7MB). Free memory was 37.5MB in the beginning and 66.2MB in the end (delta: -28.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.82ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 60.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,975 INFO L158 Benchmark]: Boogie Preprocessor took 83.22ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 57.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,976 INFO L158 Benchmark]: RCFGBuilder took 1234.38ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 38.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,977 INFO L158 Benchmark]: TraceAbstraction took 544.52ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 54.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:29:37,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4063.87ms. Allocated memory was 65.0MB in the beginning and 102.8MB in the end (delta: 37.7MB). Free memory was 37.5MB in the beginning and 66.2MB in the end (delta: -28.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.82ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 60.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.22ms. Allocated memory is still 102.8MB. Free memory was 60.5MB in the beginning and 57.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.38ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 38.0MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 544.52ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 54.9MB in the end (delta: 11.2MB). 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 17:29:38,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed823de-c973-42bc-bbb6-53a1d7209e32/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