./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V --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 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:56:54,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:56:54,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:56:54,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:56:54,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:56:54,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:56:54,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:56:54,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:56:54,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:56:54,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:56:54,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:56:54,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:56:54,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:56:54,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:56:54,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:56:54,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:56:54,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:56:54,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:56:54,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:56:54,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:56:54,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:56:54,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:56:54,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:56:54,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:56:54,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:56:54,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:56:54,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:56:54,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:56:54,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:56:54,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:56:54,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:56:54,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:56:54,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:56:54,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:56:54,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:56:54,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:56:54,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:56:54,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:56:54,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:56:54,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:56:54,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:56:54,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:56:54,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:56:54,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:56:54,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:56:54,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:56:54,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:56:54,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:56:54,658 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:56:54,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:56:54,659 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:56:54,659 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:56:54,660 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:56:54,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:56:54,661 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:56:54,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:56:54,661 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:56:54,662 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:56:54,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:56:54,662 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:56:54,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:56:54,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:56:54,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:56:54,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:56:54,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:56:54,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:56:54,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:56:54,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:56:54,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:56:54,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:56:54,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:56:54,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:56:54,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:56:54,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:56:54,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:56:54,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:56:54,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:56:54,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:56:54,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:56:54,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:56:54,670 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704abadf4a8c9a8af61418181b8ae91b3e3da2fe96f0fde7751e748b781a863c [2021-11-23 01:56:54,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:56:54,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:56:54,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:56:54,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:56:54,998 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:56:54,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2021-11-23 01:56:55,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/data/5f84a52b5/fe67f586780442638bbd6b8c70a6b3d0/FLAGa7d40fdff [2021-11-23 01:56:56,050 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:56:56,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i [2021-11-23 01:56:56,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/data/5f84a52b5/fe67f586780442638bbd6b8c70a6b3d0/FLAGa7d40fdff [2021-11-23 01:56:56,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/data/5f84a52b5/fe67f586780442638bbd6b8c70a6b3d0 [2021-11-23 01:56:56,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:56:56,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:56:56,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:56:56,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:56:56,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:56:56,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:56" (1/1) ... [2021-11-23 01:56:56,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18042e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:56:56, skipping insertion in model container [2021-11-23 01:56:56,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:56:56" (1/1) ... [2021-11-23 01:56:56,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:56:56,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:56:57,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2021-11-23 01:56:57,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2021-11-23 01:56:58,189 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,190 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,191 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,192 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,194 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,210 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,211 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,213 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,214 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:58,765 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 01:56:58,766 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 01:56:58,768 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 01:56:58,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 01:56:58,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 01:56:58,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 01:56:58,784 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 01:56:58,788 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 01:56:58,789 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 01:56:58,791 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 01:56:59,038 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 01:56:59,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,180 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:56:59,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:56:59,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4500,4513] [2021-11-23 01:56:59,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_array_harness.i[4560,4573] [2021-11-23 01:56:59,477 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,478 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,479 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,480 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,488 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,489 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,491 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,491 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,532 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 01:56:59,533 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 01:56:59,534 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 01:56:59,535 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 01:56:59,537 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 01:56:59,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 01:56:59,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 01:56:59,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 01:56:59,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 01:56:59,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 01:56:59,565 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 01:56:59,738 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,738 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 01:56:59,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:57:00,061 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:57:00,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00 WrapperNode [2021-11-23 01:57:00,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:57:00,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:57:00,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:57:00,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:57:00,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,362 INFO L137 Inliner]: procedures = 690, calls = 2609, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 777 [2021-11-23 01:57:00,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:57:00,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:57:00,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:57:00,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:57:00,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:57:00,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:57:00,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:57:00,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:57:00,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (1/1) ... [2021-11-23 01:57:00,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:57:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:57:00,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:57:00,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:57:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-23 01:57:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-23 01:57:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:57:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:57:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:57:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:57:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:57:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:57:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:57:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:57:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:57:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 01:57:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 01:57:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:57:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:57:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:57:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:57:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:57:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 01:57:00,611 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 01:57:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:57:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:57:00,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:57:00,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:57:02,391 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:57:02,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:57:02,570 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:57:02,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:02 BoogieIcfgContainer [2021-11-23 01:57:02,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:57:02,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:57:02,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:57:02,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:57:02,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:56:56" (1/3) ... [2021-11-23 01:57:02,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647cf6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:02, skipping insertion in model container [2021-11-23 01:57:02,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:00" (2/3) ... [2021-11-23 01:57:02,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647cf6a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:57:02, skipping insertion in model container [2021-11-23 01:57:02,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:02" (3/3) ... [2021-11-23 01:57:02,588 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_array_harness.i [2021-11-23 01:57:02,596 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:57:02,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 01:57:02,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:57:02,689 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:57:02,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 01:57:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 01:57:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:57:02,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:02,723 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:02,725 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:02,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:02,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1726220798, now seen corresponding path program 1 times [2021-11-23 01:57:02,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:02,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260961106] [2021-11-23 01:57:02,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:02,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:57:04,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:04,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260961106] [2021-11-23 01:57:04,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260961106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:04,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:04,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 01:57:04,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973748300] [2021-11-23 01:57:04,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:04,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 01:57:04,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:04,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 01:57:04,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-23 01:57:04,365 INFO L87 Difference]: Start difference. First operand has 41 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 12 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 01:57:04,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:04,835 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2021-11-23 01:57:04,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 01:57:04,839 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 20 [2021-11-23 01:57:04,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:04,849 INFO L225 Difference]: With dead ends: 75 [2021-11-23 01:57:04,850 INFO L226 Difference]: Without dead ends: 41 [2021-11-23 01:57:04,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-23 01:57:04,874 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 18 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:04,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 306 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 01:57:04,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-23 01:57:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-23 01:57:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 12 states have call successors, (12), 6 states have call predecessors, (12), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 01:57:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2021-11-23 01:57:04,945 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2021-11-23 01:57:04,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:04,947 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2021-11-23 01:57:04,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 5 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 01:57:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2021-11-23 01:57:04,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:57:04,951 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:04,951 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:04,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:57:04,952 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1561058022, now seen corresponding path program 1 times [2021-11-23 01:57:04,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:04,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455178315] [2021-11-23 01:57:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:04,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:57:06,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:06,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455178315] [2021-11-23 01:57:06,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455178315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:06,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:06,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-23 01:57:06,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905259380] [2021-11-23 01:57:06,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:06,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-23 01:57:06,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:06,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-23 01:57:06,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:57:06,157 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-23 01:57:06,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:06,703 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2021-11-23 01:57:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-23 01:57:06,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2021-11-23 01:57:06,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:06,706 INFO L225 Difference]: With dead ends: 47 [2021-11-23 01:57:06,706 INFO L226 Difference]: Without dead ends: 45 [2021-11-23 01:57:06,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-11-23 01:57:06,708 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:06,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 240 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 01:57:06,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-23 01:57:06,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-11-23 01:57:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 01:57:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2021-11-23 01:57:06,721 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 29 [2021-11-23 01:57:06,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:06,722 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2021-11-23 01:57:06,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-23 01:57:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2021-11-23 01:57:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:57:06,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:06,725 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:06,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:57:06,725 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:06,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash 831486812, now seen corresponding path program 1 times [2021-11-23 01:57:06,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:06,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933226306] [2021-11-23 01:57:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:06,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:57:07,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:07,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933226306] [2021-11-23 01:57:07,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933226306] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:07,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:07,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 01:57:07,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417494165] [2021-11-23 01:57:07,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:07,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 01:57:07,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:07,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 01:57:07,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 01:57:07,252 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-23 01:57:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:07,534 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2021-11-23 01:57:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 01:57:07,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 35 [2021-11-23 01:57:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:07,537 INFO L225 Difference]: With dead ends: 51 [2021-11-23 01:57:07,537 INFO L226 Difference]: Without dead ends: 49 [2021-11-23 01:57:07,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-11-23 01:57:07,539 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 16 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:07,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 155 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:57:07,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-23 01:57:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-23 01:57:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 29 states have internal predecessors, (29), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 01:57:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2021-11-23 01:57:07,554 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 35 [2021-11-23 01:57:07,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:07,554 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2021-11-23 01:57:07,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-23 01:57:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2021-11-23 01:57:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:57:07,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:07,557 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:07,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:57:07,558 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:07,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1427077852, now seen corresponding path program 1 times [2021-11-23 01:57:07,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:07,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852022262] [2021-11-23 01:57:07,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:07,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:57:07,942 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:07,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852022262] [2021-11-23 01:57:07,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852022262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:07,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:07,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 01:57:07,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223002590] [2021-11-23 01:57:07,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:07,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 01:57:07,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 01:57:07,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-23 01:57:07,945 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-23 01:57:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:08,305 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2021-11-23 01:57:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 01:57:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 42 [2021-11-23 01:57:08,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:08,310 INFO L225 Difference]: With dead ends: 55 [2021-11-23 01:57:08,310 INFO L226 Difference]: Without dead ends: 51 [2021-11-23 01:57:08,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-11-23 01:57:08,311 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 18 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:08,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 224 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 01:57:08,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-23 01:57:08,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-23 01:57:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.0) internal successors, (30), 30 states have internal predecessors, (30), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 01:57:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2021-11-23 01:57:08,335 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 42 [2021-11-23 01:57:08,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:08,336 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2021-11-23 01:57:08,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 5 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-11-23 01:57:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2021-11-23 01:57:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:57:08,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:57:08,344 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:57:08,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:57:08,345 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 01:57:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:57:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash 831778256, now seen corresponding path program 1 times [2021-11-23 01:57:08,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:57:08,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633738356] [2021-11-23 01:57:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:57:08,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:09,675 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:57:09,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:57:09,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633738356] [2021-11-23 01:57:09,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633738356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:57:09,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:57:09,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-23 01:57:09,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863732122] [2021-11-23 01:57:09,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:57:09,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 01:57:09,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:57:09,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 01:57:09,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-23 01:57:09,678 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2021-11-23 01:57:10,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:57:10,065 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2021-11-23 01:57:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 01:57:10,066 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 56 [2021-11-23 01:57:10,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:57:10,067 INFO L225 Difference]: With dead ends: 51 [2021-11-23 01:57:10,067 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 01:57:10,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-11-23 01:57:10,069 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:57:10,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 222 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 01:57:10,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 01:57:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 01:57:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 01:57:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 01:57:10,071 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-11-23 01:57:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:57:10,072 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 01:57:10,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 6 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2021-11-23 01:57:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 01:57:10,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:57:10,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 01:57:10,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:57:10,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 01:57:11,047 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-23 01:57:11,047 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-23 01:57:11,047 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-23 01:57:11,047 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2021-11-23 01:57:11,048 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-23 01:57:11,048 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-23 01:57:11,048 INFO L861 garLoopResultBuilder]: At program point aws_byte_cursor_is_validENTRY(lines 7384 7388) the Hoare annotation is: true [2021-11-23 01:57:11,048 INFO L858 garLoopResultBuilder]: For program point aws_byte_cursor_is_validEXIT(lines 7384 7388) no Hoare annotation was computed. [2021-11-23 01:57:11,048 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-23 01:57:11,048 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-23 01:57:11,049 INFO L854 garLoopResultBuilder]: At program point L8256-2(line 8256) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (.cse1 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| .cse0) (<= |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1076#1| 1) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse0 (* 18446744073709551616 (div .cse0 18446744073709551616)))) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1)) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1076#1|))) [2021-11-23 01:57:11,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 01:57:11,049 INFO L854 garLoopResultBuilder]: At program point L8256-1(line 8256) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (.cse1 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| .cse0) (<= |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1076#1| 1) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse0 (* 18446744073709551616 (div .cse0 18446744073709551616)))) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1)) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_#t~ret1076#1|))) [2021-11-23 01:57:11,049 INFO L854 garLoopResultBuilder]: At program point L8256(line 8256) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset|)) (.cse1 (+ |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| .cse0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse0 (* 18446744073709551616 (div .cse0 18446744073709551616)))) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1) 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_~#cur~2#1.base|) .cse1)))) [2021-11-23 01:57:11,049 INFO L858 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2021-11-23 01:57:11,050 INFO L858 garLoopResultBuilder]: For program point L8962-1(line 8962) no Hoare annotation was computed. [2021-11-23 01:57:11,050 INFO L858 garLoopResultBuilder]: For program point L8252-1(line 8252) no Hoare annotation was computed. [2021-11-23 01:57:11,050 INFO L858 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2021-11-23 01:57:11,050 INFO L854 garLoopResultBuilder]: At program point L8252(line 8252) the Hoare annotation is: (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|)) [2021-11-23 01:57:11,050 INFO L854 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2021-11-23 01:57:11,051 INFO L854 garLoopResultBuilder]: At program point L8969(line 8969) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~mem1211#1|))) [2021-11-23 01:57:11,051 INFO L858 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2021-11-23 01:57:11,051 INFO L858 garLoopResultBuilder]: For program point L8969-1(line 8969) no Hoare annotation was computed. [2021-11-23 01:57:11,051 INFO L854 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2021-11-23 01:57:11,051 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 01:57:11,051 INFO L858 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2021-11-23 01:57:11,051 INFO L858 garLoopResultBuilder]: For program point L8970(lines 8970 8972) no Hoare annotation was computed. [2021-11-23 01:57:11,052 INFO L854 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_#t~mem589#1| |ULTIMATE.start_assert_bytes_match_#t~mem588#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2021-11-23 01:57:11,052 INFO L861 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2021-11-23 01:57:11,052 INFO L854 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0))) [2021-11-23 01:57:11,052 INFO L854 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|))) [2021-11-23 01:57:11,053 INFO L854 garLoopResultBuilder]: At program point L8970-2(lines 8970 8972) the Hoare annotation is: (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) [2021-11-23 01:57:11,053 INFO L854 garLoopResultBuilder]: At program point L8968-1(line 8968) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset|)) (.cse0 (+ |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 8))) (and (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.offset| 0) (<= 1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~ret1210#1|) (not (= 0 |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) 0) (<= |ULTIMATE.start_aws_byte_cursor_from_array_harness_#t~ret1210#1| 1) (not (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (or (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.offset| 0) (<= .cse1 (* 18446744073709551616 (div .cse1 18446744073709551616)))) (= |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base| |ULTIMATE.start_aws_byte_cursor_from_array_~bytes#1.base|) (= |ULTIMATE.start_aws_byte_cursor_from_array_~len#1| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~length~2#1|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_from_array_harness_~#cur~3#1.base|) .cse0) |ULTIMATE.start_aws_byte_cursor_from_array_harness_~array~0#1.base|))) [2021-11-23 01:57:11,053 INFO L858 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-11-23 01:57:11,053 INFO L858 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2021-11-23 01:57:11,053 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-23 01:57:11,053 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-23 01:57:11,054 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-23 01:57:11,054 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-23 01:57:11,054 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-23 01:57:11,054 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-23 01:57:11,058 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 01:57:11,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 01:57:11,071 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 01:57:11,072 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 01:57:11,078 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 01:57:11,079 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 01:57:11,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:57:11 BoogieIcfgContainer [2021-11-23 01:57:11,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 01:57:11,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:57:11,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:57:11,082 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:57:11,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:02" (3/4) ... [2021-11-23 01:57:11,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:57:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-23 01:57:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_cursor_is_valid [2021-11-23 01:57:11,093 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-23 01:57:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 01:57:11,094 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-23 01:57:11,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2021-11-23 01:57:11,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2021-11-23 01:57:11,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-23 01:57:11,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 01:57:11,125 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 01:57:11,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 01:57:11,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:57:11,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:57:12,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 01:57:12,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:57:12,221 INFO L158 Benchmark]: Toolchain (without parser) took 15730.61ms. Allocated memory was 111.1MB in the beginning and 276.8MB in the end (delta: 165.7MB). Free memory was 68.5MB in the beginning and 198.2MB in the end (delta: -129.7MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,221 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:57:12,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3564.29ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 68.5MB in the beginning and 51.9MB in the end (delta: 16.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 299.20ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 51.9MB in the beginning and 117.0MB in the end (delta: -65.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,223 INFO L158 Benchmark]: Boogie Preprocessor took 146.83ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 110.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,223 INFO L158 Benchmark]: RCFGBuilder took 2062.28ms. Allocated memory is still 178.3MB. Free memory was 110.7MB in the beginning and 78.0MB in the end (delta: 32.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,224 INFO L158 Benchmark]: TraceAbstraction took 8502.27ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 78.0MB in the beginning and 201.0MB in the end (delta: -123.1MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,224 INFO L158 Benchmark]: Witness Printer took 1138.00ms. Allocated memory is still 276.8MB. Free memory was 201.0MB in the beginning and 198.2MB in the end (delta: 2.9MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2021-11-23 01:57:12,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 81.8MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3564.29ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 68.5MB in the beginning and 51.9MB in the end (delta: 16.6MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 299.20ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 51.9MB in the beginning and 117.0MB in the end (delta: -65.2MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.83ms. Allocated memory is still 178.3MB. Free memory was 117.0MB in the beginning and 110.7MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2062.28ms. Allocated memory is still 178.3MB. Free memory was 110.7MB in the beginning and 78.0MB in the end (delta: 32.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8502.27ms. Allocated memory was 178.3MB in the beginning and 276.8MB in the end (delta: 98.6MB). Free memory was 78.0MB in the beginning and 201.0MB in the end (delta: -123.1MB). Peak memory consumption was 110.5MB. Max. memory is 16.1GB. * Witness Printer took 1138.00ms. Allocated memory is still 276.8MB. Free memory was 201.0MB in the beginning and 198.2MB in the end (delta: 2.9MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 1147 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1163 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 840 IncrementalHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 152 mSDtfsCounter, 840 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 33 PreInvPairs, 42 NumberOfFragments, 792 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 321 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 1035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 82/82 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8256]: Loop Invariant [2021-11-23 01:57:12,247 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 01:57:12,247 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-23 01:57:12,249 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-11-23 01:57:12,249 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((length == unknown-#memory_int-unknown[cur][cur] && aux-aws_byte_cursor_is_valid(&cur)-aux <= 1) && array == 0) && (cur == 0 || unknown-#memory_int-unknown[cur][cur] <= 18446744073709551616 * (unknown-#memory_int-unknown[cur][cur] / 18446744073709551616))) && !(0 == bytes)) && cur == 0) && #memory_$Pointer$[cur][cur + 8] == 0) && !(0 == cur)) && !(cur == 0)) && bytes == 0) && array == bytes) && len == length) && array == #memory_$Pointer$[cur][cur + 8]) && 1 <= aux-aws_byte_cursor_is_valid(&cur)-aux - InvariantResult [Line: 8970]: Loop Invariant Derived loop invariant: !(0 == bytes) RESULT: Ultimate proved your program to be correct! [2021-11-23 01:57:12,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c7168d-43ae-4268-a22e-14ee43fa4c73/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE