./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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 edd3fac09d24fc037292743bb080afb788cb886b05d29648be5f73c1396cfbb6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:07,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:07,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:07,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:07,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:07,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:07,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:07,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:07,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:07,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:07,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:07,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:07,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:07,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:07,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:07,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:07,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:07,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:07,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:07,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:07,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:07,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:07,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:07,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:07,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:07,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:07,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:07,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:07,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:07,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:07,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:07,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:07,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:07,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:07,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:07,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:07,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:07,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:07,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:07,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:07,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:07,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:15:07,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:07,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:07,261 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:07,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:07,262 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:07,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:07,263 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:07,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:07,264 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:07,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:07,264 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:07,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:07,265 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:07,265 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:07,265 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:07,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:07,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:07,266 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:07,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:07,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:07,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:07,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:07,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:07,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:07,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:07,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:07,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:07,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:07,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:07,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:07,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:07,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:07,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:07,271 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:07,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:07,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:07,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:07,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:07,271 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edd3fac09d24fc037292743bb080afb788cb886b05d29648be5f73c1396cfbb6 [2021-11-23 17:15:07,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:07,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:07,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:07,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:07,564 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:07,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2021-11-23 17:15:07,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/139463c7e/8549e7e9e24e4ed2b962cad04a5160bc/FLAG752c328ec [2021-11-23 17:15:08,456 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:08,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2021-11-23 17:15:08,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/139463c7e/8549e7e9e24e4ed2b962cad04a5160bc/FLAG752c328ec [2021-11-23 17:15:08,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/139463c7e/8549e7e9e24e4ed2b962cad04a5160bc [2021-11-23 17:15:08,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:08,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:08,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:08,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:08,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:08,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:08" (1/1) ... [2021-11-23 17:15:08,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c4bc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:08, skipping insertion in model container [2021-11-23 17:15:08,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:08" (1/1) ... [2021-11-23 17:15:08,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:08,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:09,046 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2021-11-23 17:15:09,052 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2021-11-23 17:15:09,814 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,815 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,816 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,817 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,818 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,833 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,834 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,838 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,839 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,840 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:09,841 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,216 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:10,217 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:10,218 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:10,220 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:10,221 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:10,222 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:10,223 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:10,224 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:10,224 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:10,225 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:10,392 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:10,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:10,431 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:10,444 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2021-11-23 17:15:10,476 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2021-11-23 17:15:10,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,553 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,554 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,555 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,564 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,565 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,566 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:10,607 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:10,608 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:10,609 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:10,610 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:10,611 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:10,612 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:10,612 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:10,613 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:10,614 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:10,614 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:10,638 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:10,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:10,865 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:10,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10 WrapperNode [2021-11-23 17:15:10,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:10,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:10,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:10,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:10,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:10,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,062 INFO L137 Inliner]: procedures = 679, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 225 [2021-11-23 17:15:11,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:11,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:11,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:11,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:11,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:11,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:11,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:11,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:11,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:10" (1/1) ... [2021-11-23 17:15:11,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:11,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:11,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:11,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:11,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:15:11,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:15:11,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2021-11-23 17:15:11,255 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2021-11-23 17:15:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:15:11,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:15:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:15:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:15:11,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:15:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:11,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 17:15:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 17:15:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:11,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:11,257 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2021-11-23 17:15:11,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2021-11-23 17:15:11,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:15:11,259 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:15:11,259 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:11,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:11,260 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:15:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:15:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:15:11,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:15:11,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:11,612 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:11,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:12,041 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:12,070 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:15:12,076 INFO L158 Benchmark]: Toolchain (without parser) took 3448.35ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 68.6MB in the beginning and 94.9MB in the end (delta: -26.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-11-23 17:15:12,076 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:12,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2238.58ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 92.0MB in the end (delta: -23.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2021-11-23 17:15:12,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.98ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 85.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:12,079 INFO L158 Benchmark]: Boogie Preprocessor took 101.39ms. Allocated memory is still 146.8MB. Free memory was 85.7MB in the beginning and 81.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:12,079 INFO L158 Benchmark]: RCFGBuilder took 908.71ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 94.9MB in the end (delta: -13.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 17:15:12,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory was 91.9MB in the beginning and 91.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2238.58ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 68.5MB in the beginning and 92.0MB in the end (delta: -23.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.98ms. Allocated memory is still 146.8MB. Free memory was 92.0MB in the beginning and 85.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.39ms. Allocated memory is still 146.8MB. Free memory was 85.7MB in the beginning and 81.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 908.71ms. Allocated memory is still 146.8MB. Free memory was 81.5MB in the beginning and 94.9MB in the end (delta: -13.4MB). Peak memory consumption was 30.5MB. 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 17:15:12,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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 edd3fac09d24fc037292743bb080afb788cb886b05d29648be5f73c1396cfbb6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:14,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:14,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:14,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:14,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:14,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:14,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:14,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:14,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:14,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:14,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:14,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:14,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:14,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:14,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:14,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:14,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:14,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:14,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:14,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:14,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:14,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:14,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:14,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:14,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:14,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:14,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:14,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:14,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:14,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:14,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:14,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:14,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:14,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:14,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:14,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:14,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:14,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:14,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:14,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:14,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:14,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:15:14,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:14,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:14,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:14,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:14,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:14,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:14,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:14,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:14,847 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:14,847 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:14,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:14,848 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:14,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:14,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:14,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:14,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:14,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:14,852 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:15:14,852 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:15:14,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:15:14,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:14,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:14,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:14,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:14,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:15:14,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:14,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:14,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:14,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:14,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:14,856 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:15:14,857 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:15:14,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:14,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:14,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:14,858 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edd3fac09d24fc037292743bb080afb788cb886b05d29648be5f73c1396cfbb6 [2021-11-23 17:15:15,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:15,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:15,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:15,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:15,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:15,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2021-11-23 17:15:15,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/78fc6c353/24edbc9bc1b7417bbc0adbf95a6609c1/FLAGea97f7444 [2021-11-23 17:15:16,193 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:16,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i [2021-11-23 17:15:16,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/78fc6c353/24edbc9bc1b7417bbc0adbf95a6609c1/FLAGea97f7444 [2021-11-23 17:15:16,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/data/78fc6c353/24edbc9bc1b7417bbc0adbf95a6609c1 [2021-11-23 17:15:16,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:16,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:16,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:16,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:16,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:16,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:16" (1/1) ... [2021-11-23 17:15:16,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695688f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:16, skipping insertion in model container [2021-11-23 17:15:16,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:16" (1/1) ... [2021-11-23 17:15:16,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:16,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:17,197 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2021-11-23 17:15:17,204 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2021-11-23 17:15:18,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,466 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,467 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,468 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,480 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,481 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,483 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,485 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,486 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,487 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:18,954 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:18,956 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:18,957 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:18,958 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:18,959 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:18,960 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:18,960 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:18,961 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:18,962 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:18,963 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:19,163 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:19,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:19,222 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:15:19,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:19,274 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2021-11-23 17:15:19,279 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2021-11-23 17:15:19,331 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,331 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,348 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,349 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,353 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,394 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:19,395 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:19,395 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:19,396 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:19,398 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:19,399 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:19,399 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:19,400 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:19,401 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:19,401 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:19,420 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:19,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:19,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:19,455 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4499,4512] [2021-11-23 17:15:19,455 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_04a56a7f-bb4b-42aa-b542-8b33f86919b5/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_front_harness.i[4559,4572] [2021-11-23 17:15:19,508 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,508 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,509 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,510 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,510 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:15:19,580 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:15:19,581 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:15:19,582 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:15:19,582 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:15:19,583 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:15:19,583 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:15:19,584 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:15:19,584 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:15:19,585 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:15:19,585 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:15:19,619 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:15:19,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:19,955 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:19,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19 WrapperNode [2021-11-23 17:15:19,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:19,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:19,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:19,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:19,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,152 INFO L137 Inliner]: procedures = 698, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 226 [2021-11-23 17:15:20,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:20,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:20,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:20,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:20,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:20,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:20,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:20,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:20,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (1/1) ... [2021-11-23 17:15:20,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:20,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:20,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:20,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 17:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 17:15:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2021-11-23 17:15:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2021-11-23 17:15:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:15:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:15:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:15:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 17:15:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:15:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 17:15:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 17:15:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:15:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 17:15:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2021-11-23 17:15:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2021-11-23 17:15:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:15:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:15:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:15:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:15:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:15:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 17:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 17:15:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:15:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 17:15:20,605 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:20,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:15:21,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:15:21,237 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:15:21,237 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 17:15:21,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:21 BoogieIcfgContainer [2021-11-23 17:15:21,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:15:21,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:15:21,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:15:21,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:15:21,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:15:16" (1/3) ... [2021-11-23 17:15:21,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd23387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:21, skipping insertion in model container [2021-11-23 17:15:21,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:19" (2/3) ... [2021-11-23 17:15:21,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bd23387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:15:21, skipping insertion in model container [2021-11-23 17:15:21,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:15:21" (3/3) ... [2021-11-23 17:15:21,248 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_pop_front_harness.i [2021-11-23 17:15:21,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:15:21,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:15:21,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:15:21,311 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 17:15:21,311 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:15:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 89 states have (on average 1.303370786516854) internal successors, (116), 90 states have internal predecessors, (116), 37 states have call successors, (37), 10 states have call predecessors, (37), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-11-23 17:15:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 17:15:21,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:15:21,344 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:15:21,345 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:15:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:15:21,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1579343520, now seen corresponding path program 1 times [2021-11-23 17:15:21,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:15:21,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203736594] [2021-11-23 17:15:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:15:21,366 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:15:21,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:15:21,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:15:21,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:15:21,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:15:21,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:15:21,665 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 17:15:21,673 INFO L158 Benchmark]: Toolchain (without parser) took 4935.05ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 48.5MB in the beginning and 56.6MB in the end (delta: -8.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,675 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:15:21,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3218.05ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 78.0MB in the end (delta: -29.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,679 INFO L158 Benchmark]: Boogie Preprocessor took 81.75ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 67.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,680 INFO L158 Benchmark]: RCFGBuilder took 1002.16ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 70.2MB in the end (delta: -2.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,681 INFO L158 Benchmark]: TraceAbstraction took 430.56ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:15:21,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3218.05ms. Allocated memory was 77.6MB in the beginning and 117.4MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 78.0MB in the end (delta: -29.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.33ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 71.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.75ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 67.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.16ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 70.2MB in the end (delta: -2.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 430.56ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 56.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. 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 17:15:21,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a56a7f-bb4b-42aa-b542-8b33f86919b5/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