./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_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_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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_249e51d8-4359-485d-9de8-b45c1d59b784/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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:40:27,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:40:27,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:40:27,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:40:27,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:40:27,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:40:27,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:40:27,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:40:27,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:40:27,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:40:27,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:40:27,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:40:27,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:40:27,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:40:27,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:40:27,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:40:27,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:40:27,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:40:27,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:40:27,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:40:27,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:40:27,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:40:27,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:40:27,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:40:27,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:40:27,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:40:27,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:40:27,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:40:27,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:40:27,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:40:27,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:40:27,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:40:27,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:40:27,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:40:27,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:40:27,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:40:27,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:40:27,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:40:27,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:40:27,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:40:27,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:40:27,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:40:27,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:40:27,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:40:27,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:40:27,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:40:27,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:40:27,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:40:27,722 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:40:27,722 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:40:27,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:40:27,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:40:27,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:40:27,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:40:27,724 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:40:27,724 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:40:27,724 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:40:27,725 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:40:27,725 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:40:27,725 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:40:27,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:40:27,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:40:27,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:40:27,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:40:27,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:40:27,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:40:27,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:40:27,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:40:27,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:40:27,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:40:27,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:40:27,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:27,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:40:27,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:40:27,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:40:27,733 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:40:27,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:40:27,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:40:27,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:40:27,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:40:27,734 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_249e51d8-4359-485d-9de8-b45c1d59b784/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-11-23 17:40:28,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:40:28,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:40:28,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:40:28,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:40:28,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:40:28,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-23 17:40:28,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/df2aebb86/e099c0fb89cb498cbb6ebca042af06d5/FLAGa4b6e7df2 [2021-11-23 17:40:29,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:40:29,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-23 17:40:29,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/df2aebb86/e099c0fb89cb498cbb6ebca042af06d5/FLAGa4b6e7df2 [2021-11-23 17:40:29,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/df2aebb86/e099c0fb89cb498cbb6ebca042af06d5 [2021-11-23 17:40:29,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:40:29,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:40:29,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:29,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:40:29,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:40:29,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:29" (1/1) ... [2021-11-23 17:40:29,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16285439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:29, skipping insertion in model container [2021-11-23 17:40:29,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:29" (1/1) ... [2021-11-23 17:40:29,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:40:29,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:30,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-23 17:40:30,221 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-23 17:40:31,546 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,552 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,556 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,584 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,585 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:31,588 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,064 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:40:32,066 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:40:32,068 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:40:32,069 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:40:32,071 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:40:32,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:40:32,073 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:40:32,074 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:40:32,075 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:40:32,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:40:32,288 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:40:32,417 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:32,653 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:40:32,668 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-23 17:40:32,669 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-23 17:40:32,713 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,715 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,716 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,809 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,811 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:32,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:40:32,923 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:40:32,924 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:40:32,924 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:40:32,925 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:40:32,926 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:40:32,926 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:40:32,926 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:40:32,927 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:40:32,927 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:40:32,956 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:40:33,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:33,048 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:33,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:33,461 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:40:33,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33 WrapperNode [2021-11-23 17:40:33,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:33,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:33,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:40:33,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:40:33,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,831 INFO L137 Inliner]: procedures = 693, calls = 2780, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 822 [2021-11-23 17:40:33,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:33,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:40:33,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:40:33,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:40:33,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:33,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:34,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:40:34,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:40:34,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:40:34,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:40:34,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:33" (1/1) ... [2021-11-23 17:40:34,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:40:34,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:40:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:40:34,118 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:40:34,118 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:40:34,119 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2021-11-23 17:40:34,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2021-11-23 17:40:34,120 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-23 17:40:34,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-23 17:40:34,121 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:40:34,122 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:40:34,122 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:40:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:40:34,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:40:34,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:40:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:40:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:40:34,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:40:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:40:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:40:34,125 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:40:34,125 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:40:34,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:40:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 17:40:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 17:40:34,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:40:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:40:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:40:34,128 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:40:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:40:34,129 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:40:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:40:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:40:34,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:40:34,434 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:40:34,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:40:36,367 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:40:36,460 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:40:36,467 INFO L158 Benchmark]: Toolchain (without parser) took 6772.46ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 73.0MB in the beginning and 111.8MB in the end (delta: -38.8MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2021-11-23 17:40:36,467 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:40:36,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3766.22ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 72.6MB in the beginning and 53.8MB in the end (delta: 18.8MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2021-11-23 17:40:36,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 343.26ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 143.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:40:36,470 INFO L158 Benchmark]: Boogie Preprocessor took 183.33ms. Allocated memory is still 207.6MB. Free memory was 143.1MB in the beginning and 136.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:40:36,471 INFO L158 Benchmark]: RCFGBuilder took 2447.90ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 111.8MB in the end (delta: 25.1MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2021-11-23 17:40:36,474 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3766.22ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 72.6MB in the beginning and 53.8MB in the end (delta: 18.8MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 343.26ms. Allocated memory is still 207.6MB. Free memory was 154.6MB in the beginning and 143.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.33ms. Allocated memory is still 207.6MB. Free memory was 143.1MB in the beginning and 136.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2447.90ms. Allocated memory is still 207.6MB. Free memory was 136.8MB in the beginning and 111.8MB in the end (delta: 25.1MB). Peak memory consumption was 58.6MB. 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 17:40:36,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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_249e51d8-4359-485d-9de8-b45c1d59b784/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 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:40:39,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:40:39,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:40:39,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:40:39,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:40:39,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:40:39,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:40:39,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:40:39,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:40:39,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:40:39,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:40:39,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:40:39,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:40:39,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:40:39,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:40:39,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:40:39,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:40:39,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:40:39,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:40:39,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:40:39,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:40:39,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:40:39,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:40:39,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:40:39,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:40:39,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:40:39,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:40:39,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:40:39,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:40:39,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:40:39,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:40:39,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:40:39,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:40:39,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:40:39,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:40:39,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:40:39,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:40:39,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:40:39,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:40:39,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:40:39,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:40:39,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:40:39,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:40:39,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:40:39,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:40:39,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:40:39,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:40:39,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:40:39,588 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:40:39,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:40:39,589 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:40:39,589 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:40:39,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:40:39,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:40:39,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:40:39,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:40:39,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:40:39,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:40:39,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:40:39,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:40:39,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:40:39,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:40:39,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:40:39,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:40:39,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:40:39,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:40:39,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:40:39,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:40:39,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:39,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:40:39,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:40:39,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:40:39,597 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:40:39,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:40:39,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:40:39,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:40:39,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:40:39,598 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_249e51d8-4359-485d-9de8-b45c1d59b784/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2021-11-23 17:40:40,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:40:40,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:40:40,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:40:40,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:40:40,066 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:40:40,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-23 17:40:40,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/c49ec3a63/2a5162012f7e4c16a3fe82867ef8902c/FLAG1cc643490 [2021-11-23 17:40:41,176 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:40:41,177 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2021-11-23 17:40:41,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/c49ec3a63/2a5162012f7e4c16a3fe82867ef8902c/FLAG1cc643490 [2021-11-23 17:40:41,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/data/c49ec3a63/2a5162012f7e4c16a3fe82867ef8902c [2021-11-23 17:40:41,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:40:41,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:40:41,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:41,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:40:41,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:40:41,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:41" (1/1) ... [2021-11-23 17:40:41,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af6c7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:41, skipping insertion in model container [2021-11-23 17:40:41,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:40:41" (1/1) ... [2021-11-23 17:40:41,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:40:41,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:42,126 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-23 17:40:42,135 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-23 17:40:43,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,379 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,380 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:43,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,038 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:40:44,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:40:44,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:40:44,043 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:40:44,046 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:40:44,047 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:40:44,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:40:44,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:40:44,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:40:44,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:40:44,306 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:40:44,438 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,439 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:44,702 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:40:44,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:40:44,754 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-23 17:40:44,756 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-23 17:40:44,841 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,845 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,859 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,859 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:44,935 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:40:44,937 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:40:44,938 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:40:44,939 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:40:44,940 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:40:44,941 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:40:44,942 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:40:44,943 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:40:44,943 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:40:44,944 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:40:44,979 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:40:45,076 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,076 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:45,267 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:40:45,299 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2021-11-23 17:40:45,299 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_249e51d8-4359-485d-9de8-b45c1d59b784/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2021-11-23 17:40:45,346 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,348 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,348 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,382 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,428 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:40:45,429 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:40:45,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:40:45,431 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:40:45,432 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:40:45,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:40:45,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:40:45,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:40:45,435 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:40:45,436 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:40:45,468 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:40:45,592 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,592 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:40:45,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:40:46,123 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:40:46,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46 WrapperNode [2021-11-23 17:40:46,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:40:46,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:46,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:40:46,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:40:46,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,495 INFO L137 Inliner]: procedures = 713, calls = 2780, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 822 [2021-11-23 17:40:46,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:40:46,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:40:46,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:40:46,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:40:46,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:40:46,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:40:46,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:40:46,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:40:46,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (1/1) ... [2021-11-23 17:40:46,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:40:46,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:40:46,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:40:46,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:40:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-23 17:40:46,794 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-23 17:40:46,794 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2021-11-23 17:40:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2021-11-23 17:40:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2021-11-23 17:40:46,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2021-11-23 17:40:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 17:40:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:40:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:40:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:40:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:40:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:40:46,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:40:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:40:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:40:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:40:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:40:46,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:40:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:40:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:40:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:40:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 17:40:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 17:40:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-11-23 17:40:46,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-11-23 17:40:46,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:40:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:40:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 17:40:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 17:40:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:40:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:40:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:40:46,803 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:40:46,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:40:47,258 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:40:47,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:40:49,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:40:49,728 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:40:49,728 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:40:49,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:40:49 BoogieIcfgContainer [2021-11-23 17:40:49,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:40:49,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:40:49,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:40:49,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:40:49,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:40:41" (1/3) ... [2021-11-23 17:40:49,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc342b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:40:49, skipping insertion in model container [2021-11-23 17:40:49,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:40:46" (2/3) ... [2021-11-23 17:40:49,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc342b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:40:49, skipping insertion in model container [2021-11-23 17:40:49,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:40:49" (3/3) ... [2021-11-23 17:40:49,751 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2021-11-23 17:40:49,758 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:40:49,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:40:49,851 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:40:49,863 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 17:40:49,864 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:40:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 80 states have internal predecessors, (103), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2021-11-23 17:40:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 17:40:49,908 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:40:49,909 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-23 17:40:49,909 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:40:49,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:40:49,917 INFO L85 PathProgramCache]: Analyzing trace with hash 2002868872, now seen corresponding path program 1 times [2021-11-23 17:40:49,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:40:49,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1918510411] [2021-11-23 17:40:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:40:49,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:40:49,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:40:49,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:40:49,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:40:50,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:40:50,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:40:50,308 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 17:40:50,315 INFO L158 Benchmark]: Toolchain (without parser) took 8748.74ms. Allocated memory was 67.1MB in the beginning and 172.0MB in the end (delta: 104.9MB). Free memory was 36.6MB in the beginning and 81.5MB in the end (delta: -44.9MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,316 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:40:50,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4557.45ms. Allocated memory was 67.1MB in the beginning and 172.0MB in the end (delta: 104.9MB). Free memory was 36.4MB in the beginning and 104.4MB in the end (delta: -68.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 370.60ms. Allocated memory is still 172.0MB. Free memory was 104.4MB in the beginning and 92.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,317 INFO L158 Benchmark]: Boogie Preprocessor took 179.36ms. Allocated memory is still 172.0MB. Free memory was 92.8MB in the beginning and 85.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,317 INFO L158 Benchmark]: RCFGBuilder took 3053.82ms. Allocated memory is still 172.0MB. Free memory was 84.4MB in the beginning and 97.7MB in the end (delta: -13.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,318 INFO L158 Benchmark]: TraceAbstraction took 578.43ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 81.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 17:40:50,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4557.45ms. Allocated memory was 67.1MB in the beginning and 172.0MB in the end (delta: 104.9MB). Free memory was 36.4MB in the beginning and 104.4MB in the end (delta: -68.0MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 370.60ms. Allocated memory is still 172.0MB. Free memory was 104.4MB in the beginning and 92.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.36ms. Allocated memory is still 172.0MB. Free memory was 92.8MB in the beginning and 85.3MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3053.82ms. Allocated memory is still 172.0MB. Free memory was 84.4MB in the beginning and 97.7MB in the end (delta: -13.3MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * TraceAbstraction took 578.43ms. Allocated memory is still 172.0MB. Free memory was 97.7MB in the beginning and 81.5MB in the end (delta: 16.2MB). 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 17:40:50,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e51d8-4359-485d-9de8-b45c1d59b784/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