./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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_1132c380-ceb0-47b6-b68d-01f00258a7a9/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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:22,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:22,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:22,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:22,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:22,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:22,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:22,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:22,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:22,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:22,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:22,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:22,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:22,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:22,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:22,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:22,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:22,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:22,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:22,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:22,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:22,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:22,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:22,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:22,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:22,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:22,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:22,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:22,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:22,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:22,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:22,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:22,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:22,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:22,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:22,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:22,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:22,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:22,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:22,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:22,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:22,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:15:22,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:22,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:22,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:22,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:22,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:22,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:22,564 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:22,564 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:22,565 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:22,565 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:22,565 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:22,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:22,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:22,566 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:22,567 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:22,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:22,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:22,568 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:22,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:22,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:22,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:22,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:22,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:22,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:22,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:22,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:22,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:22,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:22,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:22,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:22,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:22,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:22,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:22,573 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:22,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:22,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:22,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:22,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:22,575 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-23 17:15:22,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:22,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:22,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:22,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:22,954 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:22,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-23 17:15:23,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a18fb936/fff24c3dccef4020a8adc7bce9f599c4/FLAG0fa1b8cd8 [2021-11-23 17:15:24,108 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:24,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-23 17:15:24,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a18fb936/fff24c3dccef4020a8adc7bce9f599c4/FLAG0fa1b8cd8 [2021-11-23 17:15:24,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a18fb936/fff24c3dccef4020a8adc7bce9f599c4 [2021-11-23 17:15:24,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:24,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:24,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:24,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:24,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:24,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:24" (1/1) ... [2021-11-23 17:15:24,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d80f3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:24, skipping insertion in model container [2021-11-23 17:15:24,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:24" (1/1) ... [2021-11-23 17:15:24,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:24,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:25,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-23 17:15:25,009 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-23 17:15:26,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,385 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,387 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,405 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,409 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:26,410 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,030 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:27,032 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:27,033 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:27,035 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:27,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:27,038 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:27,039 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:27,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:27,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:27,041 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:27,340 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:27,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,470 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:27,652 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:27,673 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-23 17:15:27,689 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-23 17:15:27,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,775 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,775 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,778 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,779 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:27,892 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:27,902 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:27,904 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:27,905 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:27,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:27,906 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:27,907 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:27,908 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:27,908 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:27,909 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:27,939 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:28,041 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:28,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:28,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:28,525 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:28,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28 WrapperNode [2021-11-23 17:15:28,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:28,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:28,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:28,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:28,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,794 INFO L137 Inliner]: procedures = 690, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2021-11-23 17:15:28,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:28,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:28,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:28,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:28,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:28,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:28,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:28,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:28,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:28" (1/1) ... [2021-11-23 17:15:28,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:28,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:28,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:29,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:15:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:15:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:15:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2021-11-23 17:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-23 17:15:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-23 17:15:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 17:15:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 17:15:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:15:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:15:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:15:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:15:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:15:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:15:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:15:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:29,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:29,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:15:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:15:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:15:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:15:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:15:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:15:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:29,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-23 17:15:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-23 17:15:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-23 17:15:29,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-23 17:15:29,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-11-23 17:15:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-11-23 17:15:29,049 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:15:29,049 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:15:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-23 17:15:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-23 17:15:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:15:29,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:15:29,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:15:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2021-11-23 17:15:29,051 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-11-23 17:15:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-11-23 17:15:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:29,450 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:29,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:29,710 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-11-23 17:15:31,688 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:31,841 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 17:15:31,859 INFO L158 Benchmark]: Toolchain (without parser) took 7358.12ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 57.9MB in the beginning and 89.1MB in the end (delta: -31.2MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2021-11-23 17:15:31,862 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:31,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4031.28ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 57.6MB in the beginning and 63.0MB in the end (delta: -5.4MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-23 17:15:31,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 264.62ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 89.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:31,866 INFO L158 Benchmark]: Boogie Preprocessor took 118.14ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 81.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:15:31,867 INFO L158 Benchmark]: RCFGBuilder took 2936.88ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 89.1MB in the end (delta: -7.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-11-23 17:15:31,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4031.28ms. Allocated memory was 86.0MB in the beginning and 151.0MB in the end (delta: 65.0MB). Free memory was 57.6MB in the beginning and 63.0MB in the end (delta: -5.4MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 264.62ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 89.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.14ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 81.9MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2936.88ms. Allocated memory is still 151.0MB. Free memory was 81.9MB in the beginning and 89.1MB in the end (delta: -7.2MB). Peak memory consumption was 36.0MB. 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 17:15:31,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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_1132c380-ceb0-47b6-b68d-01f00258a7a9/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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:34,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:34,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:34,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:34,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:34,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:34,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:34,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:34,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:34,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:34,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:34,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:34,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:34,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:34,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:34,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:34,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:34,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:34,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:34,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:34,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:34,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:34,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:34,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:34,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:34,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:34,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:34,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:34,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:34,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:34,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:34,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:34,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:34,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:34,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:34,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:34,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:34,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:34,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:34,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:34,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:34,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:15:35,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:35,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:35,016 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:35,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:35,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:35,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:35,019 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:35,019 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:35,020 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:35,021 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:35,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:35,023 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:35,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:35,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:35,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:35,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:35,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:35,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:35,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:35,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:35,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:35,028 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:35,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:35,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:35,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:35,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:35,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:35,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:35,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:35,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:35,031 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:35,031 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:35,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:35,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:35,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:35,033 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-23 17:15:35,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:35,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:35,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:35,551 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:35,552 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:35,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-23 17:15:35,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a1879a4f/84675c35927f47c4816e3874c26ee503/FLAG7ee51fba8 [2021-11-23 17:15:36,859 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:36,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-23 17:15:36,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a1879a4f/84675c35927f47c4816e3874c26ee503/FLAG7ee51fba8 [2021-11-23 17:15:37,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/data/2a1879a4f/84675c35927f47c4816e3874c26ee503 [2021-11-23 17:15:37,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:37,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:37,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:37,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:37,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:37,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be03176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:37, skipping insertion in model container [2021-11-23 17:15:37,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:37" (1/1) ... [2021-11-23 17:15:37,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:37,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:37,806 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-23 17:15:37,816 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-23 17:15:39,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,267 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,270 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,273 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,304 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,307 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,308 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:39,928 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:39,930 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:39,932 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:39,935 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:39,944 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:39,948 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:39,953 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:39,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:39,958 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:39,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:40,209 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:40,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,337 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:40,599 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:40,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:40,687 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-23 17:15:40,688 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-23 17:15:40,774 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,776 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,776 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,777 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,778 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,798 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,805 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,806 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,807 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:40,876 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:40,879 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:40,880 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:40,881 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:40,882 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:40,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:40,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:40,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:40,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:40,887 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:40,914 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:41,047 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:41,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:41,222 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-23 17:15:41,222 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_1132c380-ceb0-47b6-b68d-01f00258a7a9/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-23 17:15:41,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,326 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,327 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,328 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,372 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:41,373 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:41,374 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:41,375 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:41,376 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:41,377 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:41,378 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:41,379 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:41,379 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:41,380 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:41,409 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:41,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:41,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:42,241 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:42,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42 WrapperNode [2021-11-23 17:15:42,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:42,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:42,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:42,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:42,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,521 INFO L137 Inliner]: procedures = 710, calls = 2740, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 830 [2021-11-23 17:15:42,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:42,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:42,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:42,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:42,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:42,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:42,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:42,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:42,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (1/1) ... [2021-11-23 17:15:42,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:42,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:42,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:42,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:15:42,804 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:15:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:15:42,805 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:15:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:15:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:15:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-23 17:15:42,806 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-23 17:15:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-23 17:15:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 17:15:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 17:15:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:15:42,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:15:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:15:42,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:15:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 17:15:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 17:15:42,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 17:15:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 17:15:42,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:15:42,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:15:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:15:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:15:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 17:15:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:15:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:15:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:15:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-23 17:15:42,815 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-23 17:15:42,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:42,816 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-23 17:15:42,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-23 17:15:42,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:42,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:15:42,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:15:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:42,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2021-11-23 17:15:42,823 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2021-11-23 17:15:42,824 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:15:42,825 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:15:42,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-23 17:15:42,826 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-23 17:15:42,826 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-23 17:15:42,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-23 17:15:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-23 17:15:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:15:42,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:15:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 17:15:42,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 17:15:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 17:15:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 17:15:42,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2021-11-23 17:15:42,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2021-11-23 17:15:43,309 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:43,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:43,788 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2021-11-23 17:15:48,945 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:48,963 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:15:48,964 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:15:48,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:48 BoogieIcfgContainer [2021-11-23 17:15:48,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:15:48,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:15:48,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:15:48,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:15:48,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:15:37" (1/3) ... [2021-11-23 17:15:48,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:48, skipping insertion in model container [2021-11-23 17:15:48,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:42" (2/3) ... [2021-11-23 17:15:48,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a10f766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:48, skipping insertion in model container [2021-11-23 17:15:48,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:48" (3/3) ... [2021-11-23 17:15:48,982 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-11-23 17:15:48,990 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:15:48,990 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:15:49,083 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:15:49,093 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 17:15:49,093 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:15:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 96 states have internal predecessors, (113), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2021-11-23 17:15:49,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 17:15:49,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:15:49,144 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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 17:15:49,145 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:15:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:15:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1169510977, now seen corresponding path program 1 times [2021-11-23 17:15:49,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:15:49,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559118104] [2021-11-23 17:15:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:15:49,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:15:49,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:15:49,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:15:49,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:15:49,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:15:49,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:15:49,542 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 17:15:49,546 INFO L158 Benchmark]: Toolchain (without parser) took 12365.24ms. Allocated memory was 67.1MB in the beginning and 251.7MB in the end (delta: 184.5MB). Free memory was 35.2MB in the beginning and 128.2MB in the end (delta: -93.0MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,547 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:49,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5060.56ms. Allocated memory was 67.1MB in the beginning and 163.6MB in the end (delta: 96.5MB). Free memory was 35.0MB in the beginning and 99.2MB in the end (delta: -64.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.64ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 87.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,549 INFO L158 Benchmark]: Boogie Preprocessor took 160.03ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 78.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,549 INFO L158 Benchmark]: RCFGBuilder took 6282.38ms. Allocated memory was 163.6MB in the beginning and 251.7MB in the end (delta: 88.1MB). Free memory was 78.2MB in the beginning and 144.5MB in the end (delta: -66.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,550 INFO L158 Benchmark]: TraceAbstraction took 572.83ms. Allocated memory is still 251.7MB. Free memory was 144.5MB in the beginning and 128.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:15:49,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.4MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5060.56ms. Allocated memory was 67.1MB in the beginning and 163.6MB in the end (delta: 96.5MB). Free memory was 35.0MB in the beginning and 99.2MB in the end (delta: -64.2MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.64ms. Allocated memory is still 163.6MB. Free memory was 99.2MB in the beginning and 87.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.03ms. Allocated memory is still 163.6MB. Free memory was 87.5MB in the beginning and 78.2MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6282.38ms. Allocated memory was 163.6MB in the beginning and 251.7MB in the end (delta: 88.1MB). Free memory was 78.2MB in the beginning and 144.5MB in the end (delta: -66.4MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * TraceAbstraction took 572.83ms. Allocated memory is still 251.7MB. Free memory was 144.5MB in the beginning and 128.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. 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 17:15:49,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1132c380-ceb0-47b6-b68d-01f00258a7a9/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