./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_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_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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_68364f62-688a-42c9-90c5-2b6009db70dd/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 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:45,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:45,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:45,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:45,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:45,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:45,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:45,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:45,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:45,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:45,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:45,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:45,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:45,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:45,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:45,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:45,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:45,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:46,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:46,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:46,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:46,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:46,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:46,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:46,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:46,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:46,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:46,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:46,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:46,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:46,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:46,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:46,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:46,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:46,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:46,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:46,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:46,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:46,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:46,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:46,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:46,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:17:46,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:46,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:46,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:46,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:46,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:46,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:46,122 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:46,122 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:46,122 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:46,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:17:46,124 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:46,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:46,124 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:17:46,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:17:46,125 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:46,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:17:46,125 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:17:46,126 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:17:46,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:46,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:17:46,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:46,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:46,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:46,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:46,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:46,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:46,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:46,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:46,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:46,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:46,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:46,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:46,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:46,135 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:17:46,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:17:46,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:46,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:46,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:46,136 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_68364f62-688a-42c9-90c5-2b6009db70dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2021-11-23 17:17:46,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:17:46,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:17:46,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:17:46,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:17:46,501 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:17:46,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-11-23 17:17:46,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/3a7fecc88/68874001f6d941b78f5dc33f226e57cb/FLAGb63214e47 [2021-11-23 17:17:47,730 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:17:47,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-11-23 17:17:47,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/3a7fecc88/68874001f6d941b78f5dc33f226e57cb/FLAGb63214e47 [2021-11-23 17:17:48,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/3a7fecc88/68874001f6d941b78f5dc33f226e57cb [2021-11-23 17:17:48,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:17:48,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:17:48,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:48,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:17:48,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:17:48,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:48" (1/1) ... [2021-11-23 17:17:48,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7667528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:48, skipping insertion in model container [2021-11-23 17:17:48,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:48" (1/1) ... [2021-11-23 17:17:48,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:17:48,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:48,656 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2021-11-23 17:17:48,667 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2021-11-23 17:17:49,941 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,945 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,969 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,970 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,973 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,974 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,975 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:49,976 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,468 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:17:50,470 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:17:50,471 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:17:50,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:17:50,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:17:50,476 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:17:50,477 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:17:50,478 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:17:50,479 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:17:50,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:17:50,707 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:17:50,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,898 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,899 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,900 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,901 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,902 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,905 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,906 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,907 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,907 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,908 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,911 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,913 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,914 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,915 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,933 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,936 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,953 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,964 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:50,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:51,038 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:17:51,059 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2021-11-23 17:17:51,067 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2021-11-23 17:17:51,153 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,155 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,156 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,157 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,176 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,177 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,179 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,181 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,182 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,250 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:17:51,251 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:17:51,252 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:17:51,253 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:17:51,257 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:17:51,258 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:17:51,260 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:17:51,260 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:17:51,261 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:17:51,262 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:17:51,357 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:17:51,398 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,404 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,441 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,449 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,450 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,451 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,452 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,456 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,457 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,464 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,476 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,478 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:17:51,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:51,775 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:17:51,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51 WrapperNode [2021-11-23 17:17:51,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:51,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:51,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:17:51,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:17:51,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:51,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,055 INFO L137 Inliner]: procedures = 697, calls = 1918, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1033 [2021-11-23 17:17:52,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:52,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:17:52,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:17:52,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:17:52,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:17:52,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:17:52,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:17:52,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:17:52,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:51" (1/1) ... [2021-11-23 17:17:52,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:52,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:17:52,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:17:52,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:17:52,421 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-11-23 17:17:52,421 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-11-23 17:17:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:17:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:17:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:17:52,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-23 17:17:52,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-23 17:17:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-23 17:17:52,423 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-23 17:17:52,423 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:17:52,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:17:52,424 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-11-23 17:17:52,425 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-11-23 17:17:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:17:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:17:52,429 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:17:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:17:52,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:17:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:17:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2021-11-23 17:17:52,431 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2021-11-23 17:17:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:17:52,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:17:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:17:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-11-23 17:17:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-11-23 17:17:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-23 17:17:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-23 17:17:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:17:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:17:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:17:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:17:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 17:17:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 17:17:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:17:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:17:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:17:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-23 17:17:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-23 17:17:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-23 17:17:52,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-23 17:17:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:17:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:17:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:17:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:17:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-23 17:17:52,442 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-23 17:17:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-11-23 17:17:52,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-11-23 17:17:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:17:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:17:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:17:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-23 17:17:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-23 17:17:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:17:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:17:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 17:17:52,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 17:17:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:17:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-23 17:17:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-23 17:17:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-11-23 17:17:52,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-11-23 17:17:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:17:52,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 17:17:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:17:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-11-23 17:17:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-11-23 17:17:52,965 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:17:52,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:17:56,566 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:17:56,650 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:17:56,658 INFO L158 Benchmark]: Toolchain (without parser) took 8608.38ms. Allocated memory was 83.9MB in the beginning and 157.3MB in the end (delta: 73.4MB). Free memory was 57.3MB in the beginning and 60.7MB in the end (delta: -3.4MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2021-11-23 17:17:56,660 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:56,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3728.40ms. Allocated memory was 83.9MB in the beginning and 157.3MB in the end (delta: 73.4MB). Free memory was 57.1MB in the beginning and 93.4MB in the end (delta: -36.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-23 17:17:56,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 279.02ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:17:56,669 INFO L158 Benchmark]: Boogie Preprocessor took 228.64ms. Allocated memory is still 157.3MB. Free memory was 82.2MB in the beginning and 73.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:17:56,669 INFO L158 Benchmark]: RCFGBuilder took 4367.46ms. Allocated memory is still 157.3MB. Free memory was 73.0MB in the beginning and 60.7MB in the end (delta: 12.2MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 17:17:56,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3728.40ms. Allocated memory was 83.9MB in the beginning and 157.3MB in the end (delta: 73.4MB). Free memory was 57.1MB in the beginning and 93.4MB in the end (delta: -36.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 279.02ms. Allocated memory is still 157.3MB. Free memory was 93.4MB in the beginning and 82.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.64ms. Allocated memory is still 157.3MB. Free memory was 82.2MB in the beginning and 73.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4367.46ms. Allocated memory is still 157.3MB. Free memory was 73.0MB in the beginning and 60.7MB in the end (delta: 12.2MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:17:56,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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_68364f62-688a-42c9-90c5-2b6009db70dd/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 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:59,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:59,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:59,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:59,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:59,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:59,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:59,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:59,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:59,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:59,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:59,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:59,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:59,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:59,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:59,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:59,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:59,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:59,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:59,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:59,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:59,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:59,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:59,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:59,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:59,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:59,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:59,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:59,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:59,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:59,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:59,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:59,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:59,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:59,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:59,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:59,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:59,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:59,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:59,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:59,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:59,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:17:59,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:59,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:59,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:59,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:59,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:59,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:59,783 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:59,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:59,784 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:59,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:59,792 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:59,792 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:59,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:59,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:59,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:59,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:59,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:59,796 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:17:59,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:17:59,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:17:59,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:59,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:59,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:59,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:59,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:17:59,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:59,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:59,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:59,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:59,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:59,801 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:17:59,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:17:59,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:59,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:59,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:59,802 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_68364f62-688a-42c9-90c5-2b6009db70dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71774aeec0d0f8840a1b18b633767b26c38c9eb9d26569d28cdf01c44c9881ac [2021-11-23 17:18:00,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:18:00,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:18:00,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:18:00,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:18:00,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:18:00,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-11-23 17:18:00,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/e9e1838e9/0f74d6d5fc244a969e66673293907f21/FLAG707537bae [2021-11-23 17:18:01,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:18:01,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i [2021-11-23 17:18:01,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/e9e1838e9/0f74d6d5fc244a969e66673293907f21/FLAG707537bae [2021-11-23 17:18:01,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/data/e9e1838e9/0f74d6d5fc244a969e66673293907f21 [2021-11-23 17:18:01,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:18:01,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:18:01,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:01,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:18:01,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:18:01,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:01" (1/1) ... [2021-11-23 17:18:01,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2155d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:01, skipping insertion in model container [2021-11-23 17:18:01,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:18:01" (1/1) ... [2021-11-23 17:18:01,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:18:02,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:02,628 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2021-11-23 17:18:02,637 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2021-11-23 17:18:03,707 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,708 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,709 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,710 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,712 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,735 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,739 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,741 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:03,742 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,263 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:18:04,265 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:18:04,266 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:18:04,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:18:04,270 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:18:04,271 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:18:04,272 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:18:04,273 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:18:04,274 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:18:04,275 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:18:04,504 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:18:04,544 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,674 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,675 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,677 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,678 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,679 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,680 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,692 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,694 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,695 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,696 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,704 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,720 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,720 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,753 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:04,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:04,860 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:18:04,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:18:04,938 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2021-11-23 17:18:04,943 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2021-11-23 17:18:05,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,023 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,024 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,024 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,025 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,046 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,049 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,050 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,126 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:18:05,128 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:18:05,129 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:18:05,130 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:18:05,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:18:05,132 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:18:05,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:18:05,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:18:05,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:18:05,137 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:18:05,180 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:18:05,210 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,277 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,278 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,279 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,280 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,281 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,282 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,285 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,286 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,286 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,287 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,306 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:05,368 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:18:05,399 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4496,4509] [2021-11-23 17:18:05,400 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_68364f62-688a-42c9-90c5-2b6009db70dd/sv-benchmarks/c/aws-c-common/aws_priority_queue_pop_harness.i[4556,4569] [2021-11-23 17:18:05,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,493 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,494 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,495 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,496 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,497 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,497 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,498 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:18:05,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:18:05,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:18:05,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:18:05,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:18:05,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:18:05,541 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:18:05,542 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:18:05,542 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:18:05,543 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:18:05,576 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:18:05,600 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,631 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,636 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,636 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,636 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,637 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,637 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,638 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,643 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,650 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,651 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:18:05,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:18:06,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:18:06,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06 WrapperNode [2021-11-23 17:18:06,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:18:06,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:06,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:18:06,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:18:06,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,396 INFO L137 Inliner]: procedures = 717, calls = 1918, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 1015 [2021-11-23 17:18:06,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:18:06,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:18:06,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:18:06,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:18:06,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:18:06,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:18:06,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:18:06,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:18:06,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (1/1) ... [2021-11-23 17:18:06,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:18:06,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:18:06,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:18:06,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:18:06,748 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-11-23 17:18:06,749 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-11-23 17:18:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:18:06,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:18:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:18:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-23 17:18:06,749 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-23 17:18:06,749 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-23 17:18:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-23 17:18:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:18:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:18:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:18:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:18:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 17:18:06,750 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-11-23 17:18:06,750 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-11-23 17:18:06,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:18:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:18:06,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:18:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:18:06,751 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2021-11-23 17:18:06,751 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2021-11-23 17:18:06,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:18:06,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-23 17:18:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:18:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:18:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:18:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-11-23 17:18:06,752 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-11-23 17:18:06,752 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-23 17:18:06,753 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-23 17:18:06,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:18:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:18:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:18:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:18:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:18:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:18:06,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-23 17:18:06,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-23 17:18:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:18:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:18:06,755 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:18:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-23 17:18:06,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-23 17:18:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-23 17:18:06,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-23 17:18:06,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:18:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:18:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:18:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:18:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-23 17:18:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-23 17:18:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-11-23 17:18:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-11-23 17:18:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:18:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:18:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:18:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:18:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-23 17:18:06,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-23 17:18:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:18:06,758 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:18:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-23 17:18:06,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-23 17:18:06,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:18:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-23 17:18:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-23 17:18:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-11-23 17:18:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-11-23 17:18:06,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2021-11-23 17:18:06,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2021-11-23 17:18:07,347 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:18:07,350 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:18:13,617 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:18:13,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:18:13,642 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 17:18:13,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:13 BoogieIcfgContainer [2021-11-23 17:18:13,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:18:13,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:18:13,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:18:13,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:18:13,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:18:01" (1/3) ... [2021-11-23 17:18:13,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@967aa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:18:13, skipping insertion in model container [2021-11-23 17:18:13,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:18:06" (2/3) ... [2021-11-23 17:18:13,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@967aa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:18:13, skipping insertion in model container [2021-11-23 17:18:13,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:18:13" (3/3) ... [2021-11-23 17:18:13,663 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_pop_harness.i [2021-11-23 17:18:13,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:18:13,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:18:13,751 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:18:13,765 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:18:13,765 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:18:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 259 states have (on average 1.2664092664092663) internal successors, (328), 262 states have internal predecessors, (328), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2021-11-23 17:18:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-23 17:18:13,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:18:13,857 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:18:13,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:18:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:18:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1834595556, now seen corresponding path program 1 times [2021-11-23 17:18:13,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:18:13,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053155641] [2021-11-23 17:18:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:18:13,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:18:13,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:18:13,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:18:13,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:18:14,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:18:14,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:18:14,322 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:18:14,326 INFO L158 Benchmark]: Toolchain (without parser) took 12349.67ms. Allocated memory was 75.5MB in the beginning and 174.1MB in the end (delta: 98.6MB). Free memory was 48.5MB in the beginning and 82.5MB in the end (delta: -34.1MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,327 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:18:14,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4043.52ms. Allocated memory was 75.5MB in the beginning and 140.5MB in the end (delta: 65.0MB). Free memory was 48.2MB in the beginning and 71.4MB in the end (delta: -23.2MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 372.60ms. Allocated memory is still 140.5MB. Free memory was 71.4MB in the beginning and 60.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,329 INFO L158 Benchmark]: Boogie Preprocessor took 235.84ms. Allocated memory is still 140.5MB. Free memory was 60.1MB in the beginning and 88.7MB in the end (delta: -28.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,329 INFO L158 Benchmark]: RCFGBuilder took 7011.53ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 88.7MB in the beginning and 102.9MB in the end (delta: -14.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,330 INFO L158 Benchmark]: TraceAbstraction took 672.65ms. Allocated memory is still 174.1MB. Free memory was 101.8MB in the beginning and 82.5MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 17:18:14,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4043.52ms. Allocated memory was 75.5MB in the beginning and 140.5MB in the end (delta: 65.0MB). Free memory was 48.2MB in the beginning and 71.4MB in the end (delta: -23.2MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 372.60ms. Allocated memory is still 140.5MB. Free memory was 71.4MB in the beginning and 60.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 235.84ms. Allocated memory is still 140.5MB. Free memory was 60.1MB in the beginning and 88.7MB in the end (delta: -28.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 7011.53ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 88.7MB in the beginning and 102.9MB in the end (delta: -14.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * TraceAbstraction took 672.65ms. Allocated memory is still 174.1MB. Free memory was 101.8MB in the beginning and 82.5MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:18:14,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68364f62-688a-42c9-90c5-2b6009db70dd/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