./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_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_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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_9cb3ff03-eee8-4837-af9b-08fd33878c04/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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:00,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:00,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:00,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:00,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:00,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:00,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:00,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:00,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:00,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:00,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:01,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:01,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:01,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:01,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:01,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:01,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:01,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:01,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:01,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:01,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:01,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:01,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:01,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:01,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:01,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:01,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:01,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:01,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:01,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:01,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:01,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:01,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:01,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:01,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:01,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:01,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:01,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:01,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:01,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:01,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:01,082 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:24:01,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:01,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:01,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:01,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:01,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:01,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:01,145 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:01,146 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:01,146 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:01,146 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:24:01,148 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:01,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:01,149 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:24:01,149 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:24:01,149 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:01,150 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:24:01,150 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:24:01,150 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:24:01,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:01,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:24:01,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:01,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:01,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:01,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:01,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:01,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:01,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:01,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:01,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:01,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:01,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:01,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:01,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:01,158 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:24:01,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:24:01,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:01,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:01,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:01,160 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2021-11-23 17:24:01,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:01,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:01,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:01,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:01,603 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:01,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-23 17:24:01,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/589099300/876f4ad9ad984a8cacd3274ed5e18d57/FLAGb157cbea5 [2021-11-23 17:24:02,664 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:02,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-23 17:24:02,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/589099300/876f4ad9ad984a8cacd3274ed5e18d57/FLAGb157cbea5 [2021-11-23 17:24:03,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/589099300/876f4ad9ad984a8cacd3274ed5e18d57 [2021-11-23 17:24:03,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:03,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:03,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:03,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:03,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:03,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:03" (1/1) ... [2021-11-23 17:24:03,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7d2344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:03, skipping insertion in model container [2021-11-23 17:24:03,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:03" (1/1) ... [2021-11-23 17:24:03,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:03,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:03,721 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2021-11-23 17:24:03,731 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2021-11-23 17:24:04,840 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,854 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,857 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,874 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,875 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,878 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,881 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,882 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,883 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:04,884 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,378 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:05,380 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:05,382 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:05,384 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:05,386 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:05,388 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:05,389 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:05,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:05,391 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:05,392 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:05,642 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:05,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:05,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:05,824 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2021-11-23 17:24:05,862 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2021-11-23 17:24:05,932 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,942 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,943 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,944 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,946 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,955 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,957 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,959 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,960 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,960 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:05,961 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:06,005 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:06,006 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:06,007 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:06,009 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:06,010 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:06,013 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:06,014 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:06,015 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:06,015 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:06,016 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:06,042 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:06,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:06,378 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:06,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06 WrapperNode [2021-11-23 17:24:06,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:06,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:06,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:06,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:06,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,679 INFO L137 Inliner]: procedures = 689, calls = 1511, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 568 [2021-11-23 17:24:06,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:06,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:06,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:06,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:06,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:06,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:06,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:06,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:06,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:06" (1/1) ... [2021-11-23 17:24:06,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:06,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:06,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:06,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-23 17:24:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:24:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:24:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:24:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-23 17:24:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-23 17:24:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-23 17:24:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-23 17:24:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2021-11-23 17:24:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2021-11-23 17:24:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:24:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:24:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:24:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:24:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:24:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:24:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-23 17:24:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-23 17:24:06,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:06,977 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:24:06,977 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:24:06,978 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:24:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:24:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:24:06,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:24:06,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:24:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:24:06,980 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-23 17:24:06,980 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-23 17:24:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:24:06,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:24:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:24:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 17:24:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 17:24:06,982 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:24:06,982 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:24:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-23 17:24:06,983 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-23 17:24:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:24:07,355 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:07,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:08,662 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:24:08,746 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:24:08,759 INFO L158 Benchmark]: Toolchain (without parser) took 5669.83ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 99.4MB in the beginning and 70.5MB in the end (delta: 28.9MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2021-11-23 17:24:08,760 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:08,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3290.01ms. Allocated memory is still 123.7MB. Free memory was 99.0MB in the beginning and 45.4MB in the end (delta: 53.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2021-11-23 17:24:08,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 303.72ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 45.4MB in the beginning and 119.7MB in the end (delta: -74.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 17:24:08,768 INFO L158 Benchmark]: Boogie Preprocessor took 169.57ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 114.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:24:08,769 INFO L158 Benchmark]: RCFGBuilder took 1899.59ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 70.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:08,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3290.01ms. Allocated memory is still 123.7MB. Free memory was 99.0MB in the beginning and 45.4MB in the end (delta: 53.6MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 303.72ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 45.4MB in the beginning and 119.7MB in the end (delta: -74.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.57ms. Allocated memory is still 169.9MB. Free memory was 119.7MB in the beginning and 114.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1899.59ms. Allocated memory is still 169.9MB. Free memory was 114.6MB in the beginning and 70.5MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:24:08,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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_9cb3ff03-eee8-4837-af9b-08fd33878c04/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 ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:24:11,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:24:11,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:24:11,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:24:11,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:24:11,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:24:11,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:24:11,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:24:11,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:24:11,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:24:11,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:24:11,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:24:11,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:24:11,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:24:11,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:24:11,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:24:11,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:24:11,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:24:11,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:24:11,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:24:11,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:24:11,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:24:11,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:24:11,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:24:11,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:24:11,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:24:11,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:24:11,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:24:11,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:24:11,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:24:11,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:24:11,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:24:11,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:24:11,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:24:11,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:24:11,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:24:11,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:24:11,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:24:11,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:24:11,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:24:11,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:24:11,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:24:11,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:24:11,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:24:11,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:24:11,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:24:11,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:24:11,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:24:11,908 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:24:11,909 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:24:11,909 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:24:11,909 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:24:11,911 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:24:11,911 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:24:11,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:24:11,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:24:11,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:24:11,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:24:11,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:24:11,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:24:11,914 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:24:11,915 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:24:11,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:24:11,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:24:11,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:24:11,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:24:11,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:24:11,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:24:11,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:11,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:24:11,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:24:11,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:24:11,918 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:24:11,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:24:11,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:24:11,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:24:11,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:24:11,919 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2021-11-23 17:24:12,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:24:12,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:24:12,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:24:12,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:24:12,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:24:12,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-23 17:24:12,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/5e2b42927/f2204a3543c94d388857edfcf9dddfac/FLAG6bd20fba4 [2021-11-23 17:24:13,563 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:24:13,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2021-11-23 17:24:13,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/5e2b42927/f2204a3543c94d388857edfcf9dddfac/FLAG6bd20fba4 [2021-11-23 17:24:13,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/data/5e2b42927/f2204a3543c94d388857edfcf9dddfac [2021-11-23 17:24:13,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:24:13,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:24:13,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:13,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:24:13,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:24:13,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:13" (1/1) ... [2021-11-23 17:24:13,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bfc921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:13, skipping insertion in model container [2021-11-23 17:24:13,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:24:13" (1/1) ... [2021-11-23 17:24:13,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:24:13,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:14,170 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2021-11-23 17:24:14,178 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2021-11-23 17:24:15,216 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,217 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,218 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,219 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,221 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,243 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,246 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,247 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,250 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,252 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,253 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,254 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:15,717 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:15,719 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:15,721 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:15,722 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:15,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:15,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:15,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:15,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:15,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:15,747 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:15,978 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:16,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:16,144 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 17:24:16,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:24:16,226 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2021-11-23 17:24:16,229 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2021-11-23 17:24:16,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,322 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,323 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,324 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,325 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,337 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,341 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,343 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,344 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,430 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:16,432 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:16,433 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:16,442 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:16,444 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:16,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:16,445 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:16,446 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:16,447 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:16,448 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:16,501 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:16,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:16,668 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:24:16,693 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2021-11-23 17:24:16,701 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_9cb3ff03-eee8-4837-af9b-08fd33878c04/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2021-11-23 17:24:16,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,759 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,760 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,765 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,777 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,778 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,779 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,780 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,781 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,781 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,782 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 17:24:16,832 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 17:24:16,834 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 17:24:16,835 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 17:24:16,837 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 17:24:16,838 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 17:24:16,839 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 17:24:16,839 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 17:24:16,840 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 17:24:16,840 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 17:24:16,841 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 17:24:16,871 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 17:24:16,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:24:17,357 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:24:17,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17 WrapperNode [2021-11-23 17:24:17,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:24:17,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:17,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:24:17,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:24:17,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,686 INFO L137 Inliner]: procedures = 709, calls = 1511, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 566 [2021-11-23 17:24:17,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:24:17,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:24:17,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:24:17,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:24:17,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:24:17,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:24:17,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:24:17,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:24:17,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (1/1) ... [2021-11-23 17:24:17,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:24:17,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:24:17,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:24:17,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:24:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-23 17:24:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:24:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 17:24:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 17:24:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-23 17:24:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-23 17:24:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-23 17:24:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-23 17:24:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2021-11-23 17:24:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2021-11-23 17:24:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-23 17:24:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-23 17:24:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 17:24:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 17:24:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:24:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:24:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:24:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-23 17:24:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-23 17:24:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:24:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:24:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 17:24:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 17:24:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-23 17:24:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-23 17:24:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 17:24:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 17:24:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:24:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:24:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-23 17:24:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-23 17:24:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:24:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:24:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 17:24:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 17:24:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-23 17:24:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 17:24:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 17:24:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-23 17:24:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-23 17:24:18,248 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:24:18,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:24:19,843 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:24:19,863 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:24:19,866 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 17:24:19,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:24:19 BoogieIcfgContainer [2021-11-23 17:24:19,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:24:19,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:24:19,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:24:19,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:24:19,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:24:13" (1/3) ... [2021-11-23 17:24:19,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e5b92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:24:19, skipping insertion in model container [2021-11-23 17:24:19,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:24:17" (2/3) ... [2021-11-23 17:24:19,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e5b92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:24:19, skipping insertion in model container [2021-11-23 17:24:19,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:24:19" (3/3) ... [2021-11-23 17:24:19,882 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2021-11-23 17:24:19,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:24:19,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 17:24:19,982 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:24:20,000 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 17:24:20,001 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 17:24:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 93 states have internal predecessors, (112), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2021-11-23 17:24:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 17:24:20,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:24:20,044 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 17:24:20,044 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 17:24:20,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:24:20,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2019519192, now seen corresponding path program 1 times [2021-11-23 17:24:20,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:24:20,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077225723] [2021-11-23 17:24:20,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:24:20,073 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:24:20,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:24:20,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:24:20,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:24:20,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:24:20,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:24:20,423 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 17:24:20,427 INFO L158 Benchmark]: Toolchain (without parser) took 6800.70ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 53.9MB in the beginning and 68.2MB in the end (delta: -14.3MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,427 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:24:20,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3732.68ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 53.7MB in the beginning and 108.2MB in the end (delta: -54.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 328.56ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 99.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,429 INFO L158 Benchmark]: Boogie Preprocessor took 119.09ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 93.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,430 INFO L158 Benchmark]: RCFGBuilder took 2058.76ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,430 INFO L158 Benchmark]: TraceAbstraction took 552.30ms. Allocated memory is still 165.7MB. Free memory was 83.2MB in the beginning and 68.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:24:20,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3732.68ms. Allocated memory was 75.5MB in the beginning and 165.7MB in the end (delta: 90.2MB). Free memory was 53.7MB in the beginning and 108.2MB in the end (delta: -54.5MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 328.56ms. Allocated memory is still 165.7MB. Free memory was 108.2MB in the beginning and 99.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.09ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 93.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2058.76ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 83.2MB in the end (delta: 10.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * TraceAbstraction took 552.30ms. Allocated memory is still 165.7MB. Free memory was 83.2MB in the beginning and 68.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. 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 17:24:20,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb3ff03-eee8-4837-af9b-08fd33878c04/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