./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba --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 01ad56e04b6ab93ff162b70d622a1dbeae0350a0f6dc141a393bf37a9fe53f01 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:44:55,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:44:55,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:44:55,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:44:55,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:44:55,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:44:55,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:44:55,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:44:55,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:44:55,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:44:55,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:44:55,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:44:55,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:44:55,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:44:55,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:44:56,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:44:56,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:44:56,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:44:56,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:44:56,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:44:56,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:44:56,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:44:56,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:44:56,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:44:56,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:44:56,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:44:56,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:44:56,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:44:56,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:44:56,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:44:56,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:44:56,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:44:56,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:44:56,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:44:56,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:44:56,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:44:56,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:44:56,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:44:56,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:44:56,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:44:56,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:44:56,043 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:44:56,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:44:56,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:44:56,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:44:56,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:44:56,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:44:56,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:44:56,085 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:44:56,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:44:56,086 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:44:56,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:44:56,087 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:44:56,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:44:56,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:44:56,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:44:56,088 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:44:56,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:44:56,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:44:56,089 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:44:56,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:44:56,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:44:56,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:44:56,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:44:56,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:44:56,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:44:56,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:44:56,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:44:56,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:44:56,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:44:56,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:44:56,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:44:56,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:44:56,093 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:44:56,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:44:56,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:44:56,094 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:44:56,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:44:56,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:44:56,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:44:56,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01ad56e04b6ab93ff162b70d622a1dbeae0350a0f6dc141a393bf37a9fe53f01 [2022-11-22 02:44:56,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:44:56,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:44:56,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:44:56,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:44:56,396 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:44:56,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2022-11-22 02:44:59,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:44:59,938 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:44:59,938 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2022-11-22 02:44:59,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/data/d9efec66e/5d5ac93f8a474ba7ad7acb1746b39547/FLAG694f8892e [2022-11-22 02:44:59,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/data/d9efec66e/5d5ac93f8a474ba7ad7acb1746b39547 [2022-11-22 02:44:59,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:44:59,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:44:59,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:44:59,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:44:59,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:45:00,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:59" (1/1) ... [2022-11-22 02:45:00,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc734c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:00, skipping insertion in model container [2022-11-22 02:45:00,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:59" (1/1) ... [2022-11-22 02:45:00,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:45:00,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:45:00,389 WARN L237 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_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4505,4518] [2022-11-22 02:45:00,397 WARN L237 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_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4565,4578] [2022-11-22 02:45:01,368 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,369 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,369 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,370 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,372 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,427 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,428 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,431 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,431 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:01,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:45:01,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:45:01,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:45:01,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:45:01,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:45:01,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:45:01,821 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:45:01,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:45:01,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:45:01,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:45:01,964 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:45:02,004 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,004 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,108 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,111 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:02,274 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:45:02,300 WARN L237 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_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4505,4518] [2022-11-22 02:45:02,301 WARN L237 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_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i[4565,4578] [2022-11-22 02:45:02,352 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,353 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,353 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,354 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,355 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,367 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,367 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,368 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,369 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,418 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:45:02,419 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:45:02,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:45:02,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:45:02,424 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:45:02,425 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:45:02,425 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:45:02,425 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:45:02,426 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:45:02,435 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:45:02,459 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:45:02,478 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,478 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,536 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,536 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:45:02,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:02,821 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:45:02,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02 WrapperNode [2022-11-22 02:45:02,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:02,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:02,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:45:02,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:45:02,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:02,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,065 INFO L138 Inliner]: procedures = 691, calls = 2645, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 958 [2022-11-22 02:45:03,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:03,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:45:03,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:45:03,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:45:03,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:45:03,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:45:03,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:45:03,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:45:03,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (1/1) ... [2022-11-22 02:45:03,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:03,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:03,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:45:03,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:45:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-22 02:45:03,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-22 02:45:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-11-22 02:45:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-11-22 02:45:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:45:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:45:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:45:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:45:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 02:45:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 02:45:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:45:03,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:45:03,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:45:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:45:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:45:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:45:03,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:45:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:45:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:45:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:45:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:45:03,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:45:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-22 02:45:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-22 02:45:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:45:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:45:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:45:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:45:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-22 02:45:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-22 02:45:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2022-11-22 02:45:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2022-11-22 02:45:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 02:45:03,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 02:45:03,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:45:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:45:03,627 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:45:03,630 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:45:05,096 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:45:05,473 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:45:05,473 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:45:05,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:05 BoogieIcfgContainer [2022-11-22 02:45:05,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:45:05,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:45:05,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:45:05,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:45:05,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:44:59" (1/3) ... [2022-11-22 02:45:05,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1172d2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:05, skipping insertion in model container [2022-11-22 02:45:05,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:02" (2/3) ... [2022-11-22 02:45:05,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1172d2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:05, skipping insertion in model container [2022-11-22 02:45:05,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:05" (3/3) ... [2022-11-22 02:45:05,485 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness.i [2022-11-22 02:45:05,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:45:05,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:45:05,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:45:05,578 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f2851dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:45:05,578 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:45:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2022-11-22 02:45:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-22 02:45:05,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:05,594 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:45:05,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:05,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2063670608, now seen corresponding path program 1 times [2022-11-22 02:45:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:05,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217675158] [2022-11-22 02:45:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:05,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:13,480 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-22 02:45:13,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:13,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217675158] [2022-11-22 02:45:13,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217675158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:13,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673099155] [2022-11-22 02:45:13,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:13,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0e2cb0b-baac-4c31-99a4-dfc84c68212e/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:45:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 2629 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-22 02:45:14,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:14,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:45:14,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:45:14,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:45:16,497 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:45:16,501 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 02:45:16,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 7 [2022-11-22 02:45:16,509 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:45:16,512 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 02:45:16,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 7 [2022-11-22 02:45:16,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-22 02:45:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 38 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 02:45:17,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:45:18,440 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 14202 disjunctions. This might take some time... [2022-11-22 02:45:29,869 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 13413 disjunctions.