./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_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_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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_6079be77-7168-4672-beb0-fcc5ce31f42d/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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:33,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:33,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:33,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:33,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:33,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:33,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:33,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:33,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:33,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:33,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:33,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:33,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:33,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:33,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:33,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:33,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:33,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:33,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:33,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:33,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:33,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:33,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:33,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:33,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:33,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:33,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:33,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:33,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:33,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:33,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:33,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:33,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:33,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:33,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:33,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:33,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:33,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:33,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:33,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:33,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:33,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 16:46:33,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:33,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:33,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:33,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:33,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:33,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:33,835 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:33,835 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:33,835 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:33,836 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:46:33,837 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:33,837 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:33,837 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:46:33,837 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:46:33,838 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:33,838 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:46:33,838 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:46:33,838 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:46:33,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:33,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:46:33,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:33,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:33,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:33,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:33,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:33,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:33,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:33,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:33,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:33,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:33,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:33,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:33,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:33,845 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_6079be77-7168-4672-beb0-fcc5ce31f42d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-23 16:46:34,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:34,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:34,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:34,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:34,160 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:34,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-23 16:46:34,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/e0a5bbccc/4211350c92db4965b2327907746ad754/FLAG5ff4aecae [2021-11-23 16:46:35,185 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:35,186 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-23 16:46:35,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/e0a5bbccc/4211350c92db4965b2327907746ad754/FLAG5ff4aecae [2021-11-23 16:46:35,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/e0a5bbccc/4211350c92db4965b2327907746ad754 [2021-11-23 16:46:35,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:35,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:35,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:35,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:35,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:35,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:35" (1/1) ... [2021-11-23 16:46:35,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799b304e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:35, skipping insertion in model container [2021-11-23 16:46:35,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:35" (1/1) ... [2021-11-23 16:46:35,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:35,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:36,073 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-23 16:46:36,081 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-23 16:46:37,481 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,482 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,484 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,491 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,529 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,530 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,531 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,532 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:37,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,021 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:46:38,022 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:46:38,023 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:46:38,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:46:38,036 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:46:38,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:46:38,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:46:38,038 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:46:38,039 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:46:38,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:46:38,306 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:46:38,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,785 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,838 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,861 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,868 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,868 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,869 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,871 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:38,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:38,984 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:39,000 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-23 16:46:39,001 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-23 16:46:39,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,072 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,073 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,088 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,090 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:46:39,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:46:39,136 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:46:39,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:46:39,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:46:39,139 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:46:39,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:46:39,140 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:46:39,141 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:46:39,141 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:46:39,177 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:46:39,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,328 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,343 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,348 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,348 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,361 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:39,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:39,741 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:39,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39 WrapperNode [2021-11-23 16:46:39,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:39,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:39,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:39,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:39,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:39,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,023 INFO L137 Inliner]: procedures = 774, calls = 2483, calls flagged for inlining = 67, calls inlined = 5, statements flattened = 527 [2021-11-23 16:46:40,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:40,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:40,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:40,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:40,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:40,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:40,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:40,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:40,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:39" (1/1) ... [2021-11-23 16:46:40,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:40,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:40,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:40,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 16:46:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 16:46:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-23 16:46:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-23 16:46:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 16:46:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 16:46:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:46:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 16:46:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 16:46:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:46:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:46:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 16:46:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 16:46:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 16:46:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 16:46:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-11-23 16:46:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-11-23 16:46:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 16:46:40,275 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 16:46:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:46:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:40,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:46:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:46:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:46:40,276 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 16:46:40,276 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 16:46:40,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:46:40,566 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:40,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:41,877 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-11-23 16:46:41,892 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:42,009 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 16:46:42,019 INFO L158 Benchmark]: Toolchain (without parser) took 6431.74ms. Allocated memory was 109.1MB in the beginning and 176.2MB in the end (delta: 67.1MB). Free memory was 62.2MB in the beginning and 112.3MB in the end (delta: -50.1MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2021-11-23 16:46:42,019 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:42,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4151.34ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 49.5MB in the end (delta: 12.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:42,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 281.33ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 49.5MB in the beginning and 118.9MB in the end (delta: -69.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:46:42,022 INFO L158 Benchmark]: Boogie Preprocessor took 166.45ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 112.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 16:46:42,022 INFO L158 Benchmark]: RCFGBuilder took 1825.51ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 112.3MB in the end (delta: 335.9kB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2021-11-23 16:46:42,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4151.34ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 62.0MB in the beginning and 49.5MB in the end (delta: 12.5MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 281.33ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 49.5MB in the beginning and 118.9MB in the end (delta: -69.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.45ms. Allocated memory is still 176.2MB. Free memory was 118.9MB in the beginning and 112.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1825.51ms. Allocated memory is still 176.2MB. Free memory was 112.6MB in the beginning and 112.3MB in the end (delta: 335.9kB). Peak memory consumption was 59.0MB. 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 16:46:42,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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_6079be77-7168-4672-beb0-fcc5ce31f42d/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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:46:44,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:46:44,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:46:44,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:46:44,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:46:44,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:46:44,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:46:44,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:46:44,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:46:44,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:46:44,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:46:44,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:46:44,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:46:44,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:46:44,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:46:44,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:46:44,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:46:44,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:46:44,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:46:44,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:46:44,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:46:44,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:46:44,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:46:44,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:46:44,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:46:44,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:46:44,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:46:44,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:46:44,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:46:44,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:46:44,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:46:44,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:46:44,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:46:44,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:46:44,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:46:44,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:46:44,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:46:44,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:46:44,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:46:44,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:46:44,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:46:44,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 16:46:44,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:46:44,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:46:44,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:46:44,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:46:44,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:46:44,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:46:44,818 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:46:44,818 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:46:44,819 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:46:44,819 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:46:44,820 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:46:44,820 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:46:44,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:46:44,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:46:44,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:46:44,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:46:44,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:46:44,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:46:44,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:46:44,824 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:46:44,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:46:44,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:46:44,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:46:44,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:46:44,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:46:44,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:46:44,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:44,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:46:44,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:46:44,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:46:44,826 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:46:44,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:46:44,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:46:44,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:46:44,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:46:44,828 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_6079be77-7168-4672-beb0-fcc5ce31f42d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-11-23 16:46:45,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:46:45,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:46:45,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:46:45,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:46:45,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:46:45,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-23 16:46:45,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/01cc33298/606f31fb42414365b0828450624bbc3b/FLAG32e291739 [2021-11-23 16:46:46,410 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:46:46,411 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-11-23 16:46:46,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/01cc33298/606f31fb42414365b0828450624bbc3b/FLAG32e291739 [2021-11-23 16:46:46,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/data/01cc33298/606f31fb42414365b0828450624bbc3b [2021-11-23 16:46:46,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:46:46,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:46:46,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:46,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:46:46,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:46:46,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b06d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:46, skipping insertion in model container [2021-11-23 16:46:46,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:46:46" (1/1) ... [2021-11-23 16:46:46,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:46:46,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:47,003 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-23 16:46:47,012 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-23 16:46:48,269 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,271 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,292 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,296 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,297 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,298 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:48,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:46:48,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:46:48,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:46:48,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:46:48,902 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:46:48,903 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:46:48,904 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:46:48,905 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:46:48,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:46:48,907 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:46:49,128 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:46:49,560 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,598 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,599 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,637 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:49,771 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:46:49,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:46:49,839 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-23 16:46:49,839 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-23 16:46:49,882 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,883 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,883 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,891 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,892 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,893 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:49,932 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:46:49,933 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:46:49,934 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:46:49,935 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:46:49,936 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:46:49,937 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:46:49,937 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:46:49,938 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:46:49,939 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:46:49,939 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:46:49,962 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:46:50,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,083 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,092 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,093 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,104 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,105 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,106 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,107 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:50,180 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:46:50,209 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_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-11-23 16:46:50,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-11-23 16:46:50,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,241 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,248 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,249 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,251 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,280 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:46:50,281 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:46:50,282 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:46:50,282 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:46:50,283 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:46:50,284 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:46:50,284 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:46:50,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:46:50,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:46:50,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:46:50,303 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:46:50,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,458 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,491 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,492 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,492 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,494 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,494 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:46:50,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:46:50,930 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:46:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50 WrapperNode [2021-11-23 16:46:50,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:46:50,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:50,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:46:50,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:46:50,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,179 INFO L137 Inliner]: procedures = 794, calls = 2483, calls flagged for inlining = 69, calls inlined = 5, statements flattened = 528 [2021-11-23 16:46:51,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:46:51,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:46:51,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:46:51,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:46:51,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:46:51,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:46:51,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:46:51,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:46:51,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (1/1) ... [2021-11-23 16:46:51,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:46:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:46:51,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:46:51,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:46:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 16:46:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 16:46:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-23 16:46:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-23 16:46:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 16:46:51,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 16:46:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 16:46:51,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 16:46:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:46:51,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:46:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:46:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:46:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:46:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 16:46:51,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 16:46:51,431 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 16:46:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 16:46:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:46:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2021-11-23 16:46:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2021-11-23 16:46:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 16:46:51,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:46:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 16:46:51,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:46:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:46:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 16:46:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 16:46:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:46:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:46:51,435 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 16:46:51,435 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 16:46:51,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:46:51,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:46:58,295 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2021-11-23 16:46:58,308 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:46:58,318 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:46:58,318 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 16:46:58,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:58 BoogieIcfgContainer [2021-11-23 16:46:58,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:46:58,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:46:58,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:46:58,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:46:58,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:46:46" (1/3) ... [2021-11-23 16:46:58,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d3d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:58, skipping insertion in model container [2021-11-23 16:46:58,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:46:50" (2/3) ... [2021-11-23 16:46:58,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d3d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:46:58, skipping insertion in model container [2021-11-23 16:46:58,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:46:58" (3/3) ... [2021-11-23 16:46:58,330 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-11-23 16:46:58,336 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:46:58,336 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 16:46:58,388 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:46:58,395 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 16:46:58,395 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 16:46:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 118 states have (on average 1.4661016949152543) internal successors, (173), 118 states have internal predecessors, (173), 15 states have call successors, (15), 10 states have call predecessors, (15), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-23 16:46:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 16:46:58,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:46:58,430 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:46:58,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:46:58,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:46:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1935953289, now seen corresponding path program 1 times [2021-11-23 16:46:58,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:46:58,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122579745] [2021-11-23 16:46:58,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:46:58,456 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:46:58,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:46:58,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:46:58,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:46:58,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:46:58,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:46:58,782 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 16:46:58,787 INFO L158 Benchmark]: Toolchain (without parser) took 12307.02ms. Allocated memory was 48.2MB in the beginning and 234.9MB in the end (delta: 186.6MB). Free memory was 23.6MB in the beginning and 99.6MB in the end (delta: -76.0MB). Peak memory consumption was 110.4MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,788 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:46:58,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4450.05ms. Allocated memory was 48.2MB in the beginning and 146.8MB in the end (delta: 98.6MB). Free memory was 23.4MB in the beginning and 64.5MB in the end (delta: -41.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.22ms. Allocated memory is still 146.8MB. Free memory was 64.5MB in the beginning and 54.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,789 INFO L158 Benchmark]: Boogie Preprocessor took 139.76ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 54.0MB in the beginning and 176.0MB in the end (delta: -122.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,790 INFO L158 Benchmark]: RCFGBuilder took 6998.42ms. Allocated memory is still 234.9MB. Free memory was 176.0MB in the beginning and 117.1MB in the end (delta: 58.8MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,790 INFO L158 Benchmark]: TraceAbstraction took 463.25ms. Allocated memory is still 234.9MB. Free memory was 117.1MB in the beginning and 99.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 16:46:58,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4450.05ms. Allocated memory was 48.2MB in the beginning and 146.8MB in the end (delta: 98.6MB). Free memory was 23.4MB in the beginning and 64.5MB in the end (delta: -41.1MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.22ms. Allocated memory is still 146.8MB. Free memory was 64.5MB in the beginning and 54.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.76ms. Allocated memory was 146.8MB in the beginning and 234.9MB in the end (delta: 88.1MB). Free memory was 54.0MB in the beginning and 176.0MB in the end (delta: -122.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6998.42ms. Allocated memory is still 234.9MB. Free memory was 176.0MB in the beginning and 117.1MB in the end (delta: 58.8MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * TraceAbstraction took 463.25ms. Allocated memory is still 234.9MB. Free memory was 117.1MB in the beginning and 99.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:46:58,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6079be77-7168-4672-beb0-fcc5ce31f42d/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