./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:45,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:45,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:45,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:45,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:45,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:45,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:45,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:45,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:45,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:45,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:45,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:45,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:45,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:45,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:45,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:45,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:45,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:45,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:45,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:45,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:45,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:45,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:45,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:45,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:45,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:45,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:45,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:45,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:45,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:45,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:45,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:45,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:45,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:45,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:45,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:45,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:45,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:45,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:45,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:45,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:45,616 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 16:47:45,640 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:45,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:45,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:45,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:45,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:45,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:45,644 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:45,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:45,645 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:45,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:45,646 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:45,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:45,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:45,647 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:45,648 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:45,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:45,648 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:45,648 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:45,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:45,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:45,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:45,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:45,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:45,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:45,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:45,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:45,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:45,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:45,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:45,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:45,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:45,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:45,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:45,655 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:45,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:45,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:45,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:45,656 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:45,657 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-11-23 16:47:46,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:46,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:46,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:46,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:46,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:46,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-23 16:47:46,119 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/2c106f9bc/02c3bf01479c4a93b491975b072eb210/FLAGd6669f097 [2021-11-23 16:47:46,986 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:46,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-23 16:47:47,039 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/2c106f9bc/02c3bf01479c4a93b491975b072eb210/FLAGd6669f097 [2021-11-23 16:47:47,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/2c106f9bc/02c3bf01479c4a93b491975b072eb210 [2021-11-23 16:47:47,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:47,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:47,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:47,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:47,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:47,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:47" (1/1) ... [2021-11-23 16:47:47,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8f57a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:47, skipping insertion in model container [2021-11-23 16:47:47,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:47" (1/1) ... [2021-11-23 16:47:47,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:47,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:48,026 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-23 16:47:48,036 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-23 16:47:49,220 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,224 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,239 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:49,751 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:47:49,752 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:47:49,754 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:47:49,756 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:47:49,761 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:47:49,764 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:47:49,765 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:47:49,769 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:47:49,770 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:47:49,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:47:49,985 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:47:50,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:50,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:50,328 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-23 16:47:50,336 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-23 16:47:50,399 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,406 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,410 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,413 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,432 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,433 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,435 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,480 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:47:50,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:47:50,482 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:47:50,483 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:47:50,484 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:47:50,485 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:47:50,486 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:47:50,486 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:47:50,487 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:47:50,487 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:47:50,510 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:47:50,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:47:50,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:50,940 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:50,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50 WrapperNode [2021-11-23 16:47:50,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:50,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:50,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:50,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:50,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,201 INFO L137 Inliner]: procedures = 695, calls = 2942, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1014 [2021-11-23 16:47:51,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:51,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:51,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:51,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:51,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:51,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:51,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:51,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:51,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:50" (1/1) ... [2021-11-23 16:47:51,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:51,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:51,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:51,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-23 16:47:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-23 16:47:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-11-23 16:47:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-23 16:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:47:51,495 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 16:47:51,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 16:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-23 16:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-23 16:47:51,497 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-23 16:47:51,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-23 16:47:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:47:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2021-11-23 16:47:51,498 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2021-11-23 16:47:51,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 16:47:51,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 16:47:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:47:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:47:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:47:51,499 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-23 16:47:51,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-23 16:47:51,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 16:47:51,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 16:47:51,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-11-23 16:47:51,502 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-11-23 16:47:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:47:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:47:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:47:51,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:47:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:47:51,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:47:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:47:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 16:47:51,504 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 16:47:51,504 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 16:47:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 16:47:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-11-23 16:47:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-11-23 16:47:51,505 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-11-23 16:47:51,505 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-11-23 16:47:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 16:47:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 16:47:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-11-23 16:47:51,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-11-23 16:47:51,506 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-23 16:47:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-23 16:47:51,507 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-11-23 16:47:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-11-23 16:47:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-11-23 16:47:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-11-23 16:47:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:47:51,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:51,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:53,820 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:53,926 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:47:53,941 INFO L158 Benchmark]: Toolchain (without parser) took 6444.75ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 54.2MB in the beginning and 63.6MB in the end (delta: -9.4MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:53,942 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:53,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3449.95ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 54.0MB in the beginning and 69.9MB in the end (delta: -15.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-11-23 16:47:53,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.36ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 57.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:47:53,944 INFO L158 Benchmark]: Boogie Preprocessor took 188.75ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 76.5MB in the end (delta: -19.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 16:47:53,945 INFO L158 Benchmark]: RCFGBuilder took 2542.84ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 76.5MB in the beginning and 63.6MB in the end (delta: 13.0MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2021-11-23 16:47:53,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3449.95ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 54.0MB in the beginning and 69.9MB in the end (delta: -15.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.36ms. Allocated memory is still 138.4MB. Free memory was 69.9MB in the beginning and 57.2MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.75ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 76.5MB in the end (delta: -19.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2542.84ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 76.5MB in the beginning and 63.6MB in the end (delta: 13.0MB). Peak memory consumption was 55.5MB. 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 16:47:54,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:56,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:56,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:56,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:56,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:56,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:56,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:56,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:56,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:56,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:56,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:56,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:56,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:56,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:56,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:56,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:56,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:56,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:56,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:56,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:56,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:56,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:56,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:56,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:56,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:56,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:56,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:56,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:56,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:56,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:56,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:56,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:56,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:56,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:56,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:56,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:56,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:56,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:56,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:56,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:56,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:56,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 16:47:56,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:56,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:56,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:56,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:56,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:56,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:56,915 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:56,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:56,915 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:56,916 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:56,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:56,917 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:56,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:56,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:56,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:56,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:56,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:56,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:47:56,921 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:47:56,921 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:47:56,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:56,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:56,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:56,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:56,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:47:56,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:56,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:56,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:56,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:56,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:56,924 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:47:56,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:47:56,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:56,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:56,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:56,926 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-11-23 16:47:57,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:57,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:57,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:57,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:57,380 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:57,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-23 16:47:57,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/36b25c805/2275cb490c394db283550ad2cd1b1739/FLAGc5c180551 [2021-11-23 16:47:58,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:58,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-23 16:47:58,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/36b25c805/2275cb490c394db283550ad2cd1b1739/FLAGc5c180551 [2021-11-23 16:47:58,857 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/data/36b25c805/2275cb490c394db283550ad2cd1b1739 [2021-11-23 16:47:58,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:58,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:58,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:58,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:58,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:58,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:58" (1/1) ... [2021-11-23 16:47:58,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf5b44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:58, skipping insertion in model container [2021-11-23 16:47:58,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:58" (1/1) ... [2021-11-23 16:47:58,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:59,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:59,356 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-23 16:47:59,364 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-23 16:48:00,610 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,611 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,611 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,612 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,613 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,630 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:00,633 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,125 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:48:01,126 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:48:01,128 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:48:01,129 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:48:01,131 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:48:01,132 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:48:01,132 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:48:01,133 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:48:01,134 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:48:01,135 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:48:01,343 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:48:01,510 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,524 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:01,797 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:48:01,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:01,871 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-23 16:48:01,872 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-23 16:48:01,952 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,956 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,965 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:01,967 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,025 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:48:02,026 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:48:02,027 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:48:02,037 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:48:02,040 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:48:02,041 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:48:02,041 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:48:02,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:48:02,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:48:02,043 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:48:02,088 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:48:02,186 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,186 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:02,334 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:02,362 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-23 16:48:02,363 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_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-23 16:48:02,407 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,408 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,408 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,408 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,409 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,418 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,419 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,420 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,420 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,500 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 16:48:02,501 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 16:48:02,501 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 16:48:02,502 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 16:48:02,504 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 16:48:02,504 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 16:48:02,505 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 16:48:02,505 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 16:48:02,506 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 16:48:02,506 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 16:48:02,543 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 16:48:02,648 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,649 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 16:48:02,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:03,238 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:03,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03 WrapperNode [2021-11-23 16:48:03,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:03,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:03,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:03,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:03,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,503 INFO L137 Inliner]: procedures = 715, calls = 2942, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1015 [2021-11-23 16:48:03,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:03,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:03,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:03,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:03,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:03,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:03,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:03,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:03,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (1/1) ... [2021-11-23 16:48:03,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:03,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:03,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:03,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-23 16:48:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-23 16:48:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-11-23 16:48:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-23 16:48:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:48:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 16:48:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 16:48:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:48:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:48:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 16:48:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-23 16:48:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-23 16:48:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-23 16:48:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-23 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2021-11-23 16:48:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2021-11-23 16:48:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 16:48:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 16:48:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:48:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:48:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-23 16:48:03,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-23 16:48:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 16:48:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 16:48:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 16:48:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-11-23 16:48:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-11-23 16:48:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:48:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:48:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:48:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:48:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:48:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:48:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:48:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 16:48:03,763 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 16:48:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 16:48:03,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 16:48:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-11-23 16:48:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-11-23 16:48:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-11-23 16:48:03,769 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-11-23 16:48:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 16:48:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 16:48:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-11-23 16:48:03,771 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-11-23 16:48:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-23 16:48:03,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-23 16:48:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-11-23 16:48:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-11-23 16:48:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-11-23 16:48:03,779 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-11-23 16:48:04,311 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:04,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:06,981 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:48:07,002 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 16:48:07,002 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 16:48:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:07 BoogieIcfgContainer [2021-11-23 16:48:07,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 16:48:07,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 16:48:07,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 16:48:07,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 16:48:07,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:47:58" (1/3) ... [2021-11-23 16:48:07,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561c7638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:48:07, skipping insertion in model container [2021-11-23 16:48:07,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:03" (2/3) ... [2021-11-23 16:48:07,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561c7638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:48:07, skipping insertion in model container [2021-11-23 16:48:07,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:48:07" (3/3) ... [2021-11-23 16:48:07,017 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2021-11-23 16:48:07,023 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 16:48:07,024 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 16:48:07,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 16:48:07,104 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 16:48:07,105 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 16:48:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-23 16:48:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 16:48:07,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 16:48:07,142 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 16:48:07,143 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 16:48:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 16:48:07,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1737794593, now seen corresponding path program 1 times [2021-11-23 16:48:07,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 16:48:07,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113570173] [2021-11-23 16:48:07,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 16:48:07,172 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 16:48:07,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 16:48:07,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 16:48:07,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 16:48:07,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 16:48:07,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 16:48:07,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:48:07,552 INFO L158 Benchmark]: Toolchain (without parser) took 8688.95ms. Allocated memory was 56.6MB in the beginning and 228.6MB in the end (delta: 172.0MB). Free memory was 38.3MB in the beginning and 114.2MB in the end (delta: -75.9MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,553 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:07,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4374.25ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 38.0MB in the beginning and 81.0MB in the end (delta: -43.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 263.15ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 68.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,554 INFO L158 Benchmark]: Boogie Preprocessor took 131.16ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 59.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,555 INFO L158 Benchmark]: RCFGBuilder took 3369.99ms. Allocated memory was 142.6MB in the beginning and 228.6MB in the end (delta: 86.0MB). Free memory was 59.0MB in the beginning and 132.6MB in the end (delta: -73.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,555 INFO L158 Benchmark]: TraceAbstraction took 542.79ms. Allocated memory is still 228.6MB. Free memory was 132.6MB in the beginning and 114.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 16:48:07,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4374.25ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 38.0MB in the beginning and 81.0MB in the end (delta: -43.0MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 263.15ms. Allocated memory is still 142.6MB. Free memory was 81.0MB in the beginning and 68.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.16ms. Allocated memory is still 142.6MB. Free memory was 68.4MB in the beginning and 59.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3369.99ms. Allocated memory was 142.6MB in the beginning and 228.6MB in the end (delta: 86.0MB). Free memory was 59.0MB in the beginning and 132.6MB in the end (delta: -73.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 542.79ms. Allocated memory is still 228.6MB. Free memory was 132.6MB in the beginning and 114.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:48:07,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64dfed7c-33fa-4823-bff6-bfa3e3d7844d/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