./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh --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 e59944759baac4a78b3b5460ff6f3a8abaec03123fb9537d86aeca785269fb41 --- 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-2329fc7 [2022-12-14 07:52:36,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:52:36,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:52:36,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:52:36,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:52:36,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:52:36,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:52:36,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:52:36,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:52:36,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:52:36,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:52:36,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:52:36,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:52:36,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:52:36,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:52:36,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:52:36,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:52:36,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:52:36,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:52:36,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:52:36,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:52:36,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:52:36,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:52:36,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:52:36,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:52:36,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:52:36,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:52:36,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:52:36,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:52:36,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:52:36,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:52:36,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:52:36,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:52:36,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:52:36,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:52:36,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:52:36,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:52:36,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:52:36,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:52:36,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:52:36,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:52:36,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:52:36,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:52:36,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:52:36,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:52:36,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:52:36,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:52:36,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:52:36,748 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:52:36,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:52:36,748 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:52:36,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:52:36,749 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:52:36,749 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:52:36,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:52:36,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:52:36,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:52:36,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:52:36,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:52:36,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:52:36,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:52:36,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:52:36,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:52:36,752 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59944759baac4a78b3b5460ff6f3a8abaec03123fb9537d86aeca785269fb41 [2022-12-14 07:52:36,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:52:36,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:52:36,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:52:36,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:52:36,935 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:52:36,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2022-12-14 07:52:39,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:52:39,982 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:52:39,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2022-12-14 07:52:40,002 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/data/a0d719fd1/389be63af69d47cda42bb30c8b72904e/FLAG28f9a53e1 [2022-12-14 07:52:40,013 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/data/a0d719fd1/389be63af69d47cda42bb30c8b72904e [2022-12-14 07:52:40,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:52:40,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:52:40,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:52:40,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:52:40,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:52:40,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:52:40" (1/1) ... [2022-12-14 07:52:40,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a07bcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:40, skipping insertion in model container [2022-12-14 07:52:40,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:52:40" (1/1) ... [2022-12-14 07:52:40,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:52:40,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:52:40,320 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i[4497,4510] [2022-12-14 07:52:40,327 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i[4557,4570] [2022-12-14 07:52:40,987 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:40,993 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:40,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:40,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:40,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:40,996 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:40,999 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,010 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,077 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,077 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,078 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,081 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:52:41,083 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:52:41,083 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:52:41,339 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:52:41,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:52:41,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:52:41,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:52:41,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:52:41,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:52:41,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:52:41,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:52:41,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:52:41,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:52:41,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:52:41,483 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:52:41,515 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,524 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,526 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 07:52:41,536 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:52:41,544 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,550 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,550 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,551 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,562 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:52:41,569 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,570 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,574 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,582 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,625 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:52:41,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:52:41,661 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:52:41,670 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i[4497,4510] [2022-12-14 07:52:41,670 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_09ed5a1f-3efe-42da-8871-d3920ccf34f2/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i[4557,4570] [2022-12-14 07:52:41,690 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,691 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,693 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,694 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,697 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,711 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,712 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,718 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,718 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,718 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:52:41,721 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:52:41,722 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:52:41,723 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:52:41,741 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:52:41,742 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:52:41,742 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:52:41,743 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:52:41,744 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:52:41,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:52:41,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:52:41,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:52:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:52:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:52:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:52:41,774 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:52:41,788 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,794 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,796 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 07:52:41,802 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:52:41,807 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,810 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,811 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,812 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,818 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 07:52:41,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:52:41,828 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,832 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:52:41,843 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:52:41,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:52:41,976 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:52:41,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41 WrapperNode [2022-12-14 07:52:41,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:52:41,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:52:41,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:52:41,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:52:41,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,084 INFO L138 Inliner]: procedures = 691, calls = 2618, calls flagged for inlining = 62, calls inlined = 10, statements flattened = 865 [2022-12-14 07:52:42,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:52:42,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:52:42,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:52:42,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:52:42,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:52:42,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:52:42,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:52:42,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:52:42,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (1/1) ... [2022-12-14 07:52:42,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:52:42,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:52:42,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:52:42,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure htons [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-12-14 07:52:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 07:52:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:52:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:52:42,246 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 07:52:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-12-14 07:52:42,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-12-14 07:52:42,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:52:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 07:52:42,248 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 07:52:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:52:42,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:52:42,468 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:52:42,470 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:52:43,409 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:52:43,608 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:52:43,608 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 07:52:43,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:52:43 BoogieIcfgContainer [2022-12-14 07:52:43,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:52:43,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:52:43,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:52:43,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:52:43,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:52:40" (1/3) ... [2022-12-14 07:52:43,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75377bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:52:43, skipping insertion in model container [2022-12-14 07:52:43,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:52:41" (2/3) ... [2022-12-14 07:52:43,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75377bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:52:43, skipping insertion in model container [2022-12-14 07:52:43,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:52:43" (3/3) ... [2022-12-14 07:52:43,616 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2022-12-14 07:52:43,629 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:52:43,629 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:52:43,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:52:43,667 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;@1407a70e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:52:43,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:52:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 53 states have internal predecessors, (62), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-12-14 07:52:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 07:52:43,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:52:43,676 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] [2022-12-14 07:52:43,677 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:52:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:52:43,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1924951473, now seen corresponding path program 1 times [2022-12-14 07:52:43,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:52:43,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52632918] [2022-12-14 07:52:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:52:43,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:52:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:52:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 07:52:56,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:52:56,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52632918] [2022-12-14 07:52:56,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52632918] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:52:56,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590917270] [2022-12-14 07:52:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:52:56,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:52:56,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:52:56,178 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:52:56,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ed5a1f-3efe-42da-8871-d3920ccf34f2/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:52:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:52:56,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 150 conjunts are in the unsatisfiable core [2022-12-14 07:52:56,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:52:56,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:52:56,964 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 [2022-12-14 07:52:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:59,714 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 [2022-12-14 07:52:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:59,735 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:52:59,736 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 34 treesize of output 40 [2022-12-14 07:53:04,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,477 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 [2022-12-14 07:53:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,496 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 07:53:04,496 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 47 treesize of output 49 [2022-12-14 07:53:17,486 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:53:17,486 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 [2022-12-14 07:53:17,533 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:53:17,533 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 [2022-12-14 07:53:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:53:17,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:53:19,757 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-12-14 07:59:50,003 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.