./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:16:15,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:16:15,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:16:15,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:16:15,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:16:15,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:16:15,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:16:15,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:16:15,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:16:15,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:16:15,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:16:15,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:16:15,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:16:15,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:16:15,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:16:15,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:16:15,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:16:15,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:16:15,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:16:15,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:16:15,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:16:15,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:16:15,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:16:15,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:16:15,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:16:15,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:16:15,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:16:15,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:16:15,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:16:15,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:16:15,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:16:15,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:16:15,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:16:15,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:16:15,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:16:15,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:16:15,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:16:15,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:16:15,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:16:15,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:16:15,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:16:15,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:16:15,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:16:15,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:16:15,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:16:15,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:16:15,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:16:15,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:16:15,590 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:16:15,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:16:15,591 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:16:15,591 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:16:15,591 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:16:15,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:16:15,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:16:15,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:16:15,593 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:16:15,593 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:16:15,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:16:15,594 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:16:15,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:16:15,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:16:15,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:16:15,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:16:15,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:16:15,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:16:15,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:16:15,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:16:15,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:16:15,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:16:15,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:16:15,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:16:15,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:16:15,599 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:16:15,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:16:15,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:16:15,600 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:16:15,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:16:15,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:16:15,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:16:15,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2022-11-22 02:16:15,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:16:15,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:16:15,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:16:15,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:16:15,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:16:15,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-22 02:16:19,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:16:19,950 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:16:19,951 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-22 02:16:19,989 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/data/f906b9447/d0129a85e7da4913a4b2a840fc8dd868/FLAGccd71a663 [2022-11-22 02:16:20,004 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/data/f906b9447/d0129a85e7da4913a4b2a840fc8dd868 [2022-11-22 02:16:20,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:16:20,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:16:20,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:16:20,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:16:20,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:16:20,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:16:20" (1/1) ... [2022-11-22 02:16:20,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1701067b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:20, skipping insertion in model container [2022-11-22 02:16:20,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:16:20" (1/1) ... [2022-11-22 02:16:20,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:16:20,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:16:20,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-22 02:16:20,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-22 02:16:21,738 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,739 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,743 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,745 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,748 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,781 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,782 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,784 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:21,785 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:16:22,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:16:22,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:16:22,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:16:22,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:16:22,277 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:16:22,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:16:22,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:16:22,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:16:22,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:16:22,550 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:16:22,714 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,715 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:16:22,873 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:16:22,902 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-11-22 02:16:22,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-11-22 02:16:22,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,969 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,990 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,991 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:22,991 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:23,056 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:16:23,057 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:16:23,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:16:23,059 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:16:23,064 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:16:23,065 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:16:23,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:16:23,066 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:16:23,067 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:16:23,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:16:23,110 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:16:23,210 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:23,211 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:16:23,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:16:23,702 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:16:23,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23 WrapperNode [2022-11-22 02:16:23,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:16:23,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:16:23,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:16:23,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:16:23,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:23,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:23,984 INFO L138 Inliner]: procedures = 691, calls = 2667, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 899 [2022-11-22 02:16:23,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:16:23,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:16:23,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:16:23,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:16:23,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:23,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:16:24,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:16:24,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:16:24,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:16:24,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (1/1) ... [2022-11-22 02:16:24,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:16:24,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:16:24,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:16:24,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:16:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-22 02:16:24,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-22 02:16:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:16:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:16:24,290 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:16:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:16:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:16:24,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:16:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:16:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:16:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-22 02:16:24,293 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-22 02:16:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:16:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 02:16:24,294 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 02:16:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-22 02:16:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-22 02:16:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:16:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:16:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:16:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:16:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-22 02:16:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-22 02:16:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-22 02:16:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-22 02:16:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:16:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:16:24,302 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 02:16:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 02:16:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:16:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:16:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-22 02:16:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-22 02:16:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:16:24,304 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:16:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:16:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-22 02:16:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-22 02:16:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-22 02:16:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-22 02:16:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:16:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-22 02:16:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-22 02:16:24,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:16:24,749 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:16:24,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:16:26,574 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:16:26,877 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:16:26,878 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:16:26,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:16:26 BoogieIcfgContainer [2022-11-22 02:16:26,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:16:26,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:16:26,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:16:26,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:16:26,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:16:20" (1/3) ... [2022-11-22 02:16:26,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb0bcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:16:26, skipping insertion in model container [2022-11-22 02:16:26,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:16:23" (2/3) ... [2022-11-22 02:16:26,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb0bcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:16:26, skipping insertion in model container [2022-11-22 02:16:26,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:16:26" (3/3) ... [2022-11-22 02:16:26,892 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-11-22 02:16:26,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:16:26,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:16:26,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:16:26,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e843887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:16:26,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:16:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-22 02:16:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-22 02:16:27,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:16:27,006 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:16:27,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:16:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:16:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2022-11-22 02:16:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:16:27,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340543262] [2022-11-22 02:16:27,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:27,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:16:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-22 02:16:49,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:16:49,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340543262] [2022-11-22 02:16:49,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340543262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:16:49,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522033030] [2022-11-22 02:16:49,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:16:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:16:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:16:49,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:16:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84350f5d-195a-476d-881a-0c65483edbe1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:16:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:16:50,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 190 conjunts are in the unsatisfiable core [2022-11-22 02:16:50,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:16:50,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:16:51,426 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-22 02:16:51,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-22 02:16:52,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:16:53,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-22 02:16:56,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:16:58,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-22 02:16:58,305 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (not (= (select v_arrayElimArr_1 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|)) 0))))) is different from true [2022-11-22 02:16:58,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-22 02:17:07,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-22 02:17:08,403 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-22 02:17:08,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2022-11-22 02:17:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:17:08,459 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-22 02:17:08,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 47 [2022-11-22 02:17:08,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-22 02:17:08,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2022-11-22 02:17:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 40 proven. 84 refuted. 0 times theorem prover too weak. 26 trivial. 1 not checked. [2022-11-22 02:17:26,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:17:29,564 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-22 02:26:07,715 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.