./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur --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 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa --- 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-38b53e6 [2022-11-26 00:40:52,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:40:52,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:40:52,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:40:52,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:40:52,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:40:52,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:40:52,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:40:52,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:40:52,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:40:52,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:40:52,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:40:52,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:40:52,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:40:52,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:40:52,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:40:52,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:40:52,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:40:52,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:40:52,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:40:52,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:40:52,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:40:52,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:40:52,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:40:52,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:40:52,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:40:52,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:40:52,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:40:52,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:40:52,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:40:52,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:40:52,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:40:52,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:40:52,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:40:52,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:40:52,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:40:52,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:40:52,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:40:52,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:40:52,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:40:52,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:40:52,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:40:52,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:40:52,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:40:52,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:40:52,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:40:52,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:40:52,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:40:52,521 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:40:52,521 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:40:52,522 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:40:52,522 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:40:52,523 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:40:52,523 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:40:52,523 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:40:52,524 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:40:52,524 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:40:52,524 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:40:52,524 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:40:52,525 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:40:52,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:40:52,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:40:52,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:40:52,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:40:52,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:40:52,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:40:52,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:40:52,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:40:52,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:40:52,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:40:52,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:40:52,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:40:52,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:40:52,530 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:40:52,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:40:52,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:40:52,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:40:52,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:40:52,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:40:52,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:40:52,532 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d2088ac57520281350e2a5a3a1c8295b6f3f6b1edc40c64fce86e2816b5a5aa [2022-11-26 00:40:52,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:40:52,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:40:52,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:40:52,844 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:40:52,844 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:40:52,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2022-11-26 00:40:55,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:40:56,553 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:40:56,554 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i [2022-11-26 00:40:56,602 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/data/266c9f88b/3e345f1bccb44f82a8bb2510d625ae94/FLAGce18a4852 [2022-11-26 00:40:56,618 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/data/266c9f88b/3e345f1bccb44f82a8bb2510d625ae94 [2022-11-26 00:40:56,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:40:56,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:40:56,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:56,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:40:56,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:40:56,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:56" (1/1) ... [2022-11-26 00:40:56,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eab6c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:56, skipping insertion in model container [2022-11-26 00:40:56,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:40:56" (1/1) ... [2022-11-26 00:40:56,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:40:56,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:40:57,054 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2022-11-26 00:40:57,064 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2022-11-26 00:40:58,274 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:58,282 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,282 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,283 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,284 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,285 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,288 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:58,310 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,310 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:58,316 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,318 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,325 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:58,441 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:58,442 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:58,443 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:58,449 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:40:58,451 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:40:58,452 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:40:58,881 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:40:58,886 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:40:58,892 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:40:58,895 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:40:58,897 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:40:58,903 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:40:58,904 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:40:58,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:40:58,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:40:58,910 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:40:58,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:40:59,130 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:40:59,165 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,175 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,179 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:40:59,190 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:40:59,201 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,208 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,209 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,210 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,223 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:40:59,232 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,233 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,239 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,248 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,296 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:40:59,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:59,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:40:59,363 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4497,4510] [2022-11-26 00:40:59,363 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_728bb491-6c7d-4323-9e18-d1f3294b44e3/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness.i[4557,4570] [2022-11-26 00:40:59,395 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,397 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,398 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,398 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,399 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,400 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,401 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,406 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,407 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,407 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,408 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,416 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:59,416 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:59,417 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:40:59,420 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:40:59,421 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:40:59,422 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:40:59,442 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:40:59,443 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:40:59,444 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:40:59,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:40:59,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:40:59,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:40:59,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:40:59,449 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:40:59,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:40:59,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:40:59,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:40:59,477 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:40:59,515 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,525 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,531 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-26 00:40:59,538 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:40:59,548 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,552 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,553 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,554 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,560 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:40:59,566 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,567 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:40:59,571 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,576 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:40:59,635 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:40:59,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:40:59,828 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:40:59,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59 WrapperNode [2022-11-26 00:40:59,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:40:59,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:40:59,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:40:59,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:40:59,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:40:59,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,049 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2022-11-26 00:41:00,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:41:00,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:41:00,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:41:00,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:41:00,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:41:00,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:41:00,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:41:00,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:41:00,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (1/1) ... [2022-11-26 00:41:00,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:41:00,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:00,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:41:00,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:41:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-11-26 00:41:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-26 00:41:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-26 00:41:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2022-11-26 00:41:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2022-11-26 00:41:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:41:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:41:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:41:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:41:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:41:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:41:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:41:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:41:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:41:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 00:41:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 00:41:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:41:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:41:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:41:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:41:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-26 00:41:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-26 00:41:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:41:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:41:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 00:41:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 00:41:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:41:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:41:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-26 00:41:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-26 00:41:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:41:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:41:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:41:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:41:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:41:00,639 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:41:00,642 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:41:02,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:41:02,373 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:41:02,373 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:41:02,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:02 BoogieIcfgContainer [2022-11-26 00:41:02,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:41:02,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:41:02,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:41:02,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:41:02,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:40:56" (1/3) ... [2022-11-26 00:41:02,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b9d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:02, skipping insertion in model container [2022-11-26 00:41:02,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:40:59" (2/3) ... [2022-11-26 00:41:02,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b9d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:41:02, skipping insertion in model container [2022-11-26 00:41:02,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:41:02" (3/3) ... [2022-11-26 00:41:02,385 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness.i [2022-11-26 00:41:02,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:41:02,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:41:02,454 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:41:02,461 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;@2de70241, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:41:02,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:41:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-26 00:41:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-26 00:41:02,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:41:02,476 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 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] [2022-11-26 00:41:02,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:41:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:41:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1691549819, now seen corresponding path program 1 times [2022-11-26 00:41:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:41:02,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687630880] [2022-11-26 00:41:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:41:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-26 00:41:21,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:41:21,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687630880] [2022-11-26 00:41:21,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687630880] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:41:21,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389260999] [2022-11-26 00:41:21,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:41:21,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:41:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:41:22,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:41:22,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728bb491-6c7d-4323-9e18-d1f3294b44e3/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:41:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:41:22,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 142 conjunts are in the unsatisfiable core [2022-11-26 00:41:22,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:41:23,123 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 [2022-11-26 00:41:23,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2022-11-26 00:41:26,819 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:41:26,819 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 35 treesize of output 11 [2022-11-26 00:41:27,100 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:41:27,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 38 [2022-11-26 00:41:34,285 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:41:34,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 47 [2022-11-26 00:41:51,121 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:41:51,122 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 287 treesize of output 271 [2022-11-26 00:41:51,255 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:41:51,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 273 treesize of output 289 [2022-11-26 00:41:51,287 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:41:51,287 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 187 treesize of output 171 [2022-11-26 00:41:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-26 00:41:52,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:41:55,550 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-26 00:49:29,370 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.