./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/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 e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- 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 [2022-11-25 22:18:40,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:18:40,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:18:40,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:18:40,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:18:40,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:18:40,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:18:40,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:18:40,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:18:40,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:18:40,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:18:40,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:18:40,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:18:40,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:18:40,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:18:40,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:18:40,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:18:40,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:18:40,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:18:40,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:18:40,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:18:40,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:18:40,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:18:40,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:18:40,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:18:40,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:18:40,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:18:40,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:18:40,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:18:40,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:18:40,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:18:40,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:18:40,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:18:40,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:18:40,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:18:40,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:18:40,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:18:40,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:18:40,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:18:40,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:18:40,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:18:40,498 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:18:40,543 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:18:40,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:18:40,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:18:40,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:18:40,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:18:40,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:18:40,546 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:18:40,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:18:40,547 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:18:40,547 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:18:40,548 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:18:40,548 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:18:40,549 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:18:40,549 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:18:40,549 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:18:40,549 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:18:40,550 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:18:40,550 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:18:40,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:18:40,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:18:40,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:18:40,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:18:40,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:18:40,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:18:40,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:18:40,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:18:40,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:18:40,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:18:40,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:18:40,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:40,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:18:40,554 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:18:40,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:18:40,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:18:40,555 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:18:40,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:18:40,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:18:40,556 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:18:40,556 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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2022-11-25 22:18:40,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:18:40,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:18:40,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:18:40,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:18:40,919 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:18:40,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-25 22:18:43,962 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:18:44,467 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:18:44,469 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-25 22:18:44,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/data/10bf0d785/1d971a8572f6475c98479f2eb65d43d7/FLAGd625c7c4a [2022-11-25 22:18:44,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/data/10bf0d785/1d971a8572f6475c98479f2eb65d43d7 [2022-11-25 22:18:44,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:18:44,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:18:44,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:44,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:18:44,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:18:44,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:44" (1/1) ... [2022-11-25 22:18:44,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f7f370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:44, skipping insertion in model container [2022-11-25 22:18:44,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:18:44" (1/1) ... [2022-11-25 22:18:44,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:18:44,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:18:45,026 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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-25 22:18:45,068 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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-25 22:18:46,090 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,096 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,098 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,099 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,100 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,104 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,118 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,118 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,123 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,126 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,233 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:46,234 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:46,240 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:46,254 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:18:46,257 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:18:46,258 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:18:46,619 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:18:46,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:18:46,629 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:18:46,632 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:18:46,633 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:18:46,635 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:18:46,636 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:18:46,637 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:18:46,638 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:18:46,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:18:46,639 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:18:46,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:18:46,882 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,894 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,898 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 22:18:46,910 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:18:46,922 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,930 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,930 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,932 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,947 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:18:46,956 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,957 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:46,963 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:46,973 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,063 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:18:47,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:47,147 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:18:47,177 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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-25 22:18:47,177 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_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-25 22:18:47,231 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,238 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,240 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,260 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,263 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,263 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,278 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:47,279 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:47,281 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:18:47,286 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:18:47,288 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:18:47,289 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:18:47,337 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:18:47,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:18:47,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:18:47,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:18:47,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:18:47,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:18:47,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:18:47,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:18:47,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:18:47,347 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:18:47,353 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:18:47,394 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:18:47,428 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,439 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,442 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 22:18:47,450 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:18:47,459 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,464 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,465 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,466 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,475 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 22:18:47,489 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,489 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:18:47,495 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,502 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-25 22:18:47,528 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:18:47,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:18:47,834 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:18:47,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47 WrapperNode [2022-11-25 22:18:47,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:18:47,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:47,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:18:47,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:18:47,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:47,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,080 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 860 [2022-11-25 22:18:48,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:18:48,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:18:48,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:18:48,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:18:48,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:18:48,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:18:48,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:18:48,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:18:48,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (1/1) ... [2022-11-25 22:18:48,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:18:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:18:48,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:18:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:18:48,295 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-11-25 22:18:48,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2022-11-25 22:18:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2022-11-25 22:18:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-25 22:18:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-25 22:18:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:18:48,298 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 22:18:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 22:18:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:18:48,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:18:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:18:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:18:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:18:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:18:48,300 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-25 22:18:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-25 22:18:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:18:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:18:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:18:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:18:48,303 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 22:18:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 22:18:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:18:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:18:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-25 22:18:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-25 22:18:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:18:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-25 22:18:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-25 22:18:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 22:18:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 22:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:18:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2022-11-25 22:18:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2022-11-25 22:18:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:18:48,691 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:18:48,694 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:18:50,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:18:50,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:18:50,695 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:18:50,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:18:50 BoogieIcfgContainer [2022-11-25 22:18:50,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:18:50,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:18:50,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:18:50,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:18:50,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:18:44" (1/3) ... [2022-11-25 22:18:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0ce262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:18:50, skipping insertion in model container [2022-11-25 22:18:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:18:47" (2/3) ... [2022-11-25 22:18:50,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0ce262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:18:50, skipping insertion in model container [2022-11-25 22:18:50,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:18:50" (3/3) ... [2022-11-25 22:18:50,708 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2022-11-25 22:18:50,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:18:50,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:18:50,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:18:50,843 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;@73e18e86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:18:50,843 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:18:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-25 22:18:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-25 22:18:50,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:18:50,862 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, 1, 1, 1, 1] [2022-11-25 22:18:50,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:18:50,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:18:50,871 INFO L85 PathProgramCache]: Analyzing trace with hash 670532630, now seen corresponding path program 1 times [2022-11-25 22:18:50,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:18:50,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554609721] [2022-11-25 22:18:50,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:18:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:18:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-25 22:19:14,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:19:14,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554609721] [2022-11-25 22:19:14,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554609721] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:19:14,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777484561] [2022-11-25 22:19:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:19:14,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:19:14,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:19:14,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:19:14,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02bd1384-5dd9-43c0-bfb7-cae2f49e8734/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:19:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:19:14,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 140 conjunts are in the unsatisfiable core [2022-11-25 22:19:14,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:19:15,300 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 [2022-11-25 22:19:15,313 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 [2022-11-25 22:19:19,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:19,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-25 22:19:19,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:19,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:19,217 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-25 22:19:19,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 44 [2022-11-25 22:19:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:26,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:26,932 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-25 22:19:26,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 57 [2022-11-25 22:19:26,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:19:26,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2022-11-25 22:19:42,583 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:19:42,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 62 [2022-11-25 22:19:42,655 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:19:42,655 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 17 [2022-11-25 22:19:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 22:19:43,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:19:45,960 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-25 22:27:31,401 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.