./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:00:51,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:00:51,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:00:51,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:00:51,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:00:51,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:00:51,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:00:51,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:00:51,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:00:51,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:00:51,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:00:51,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:00:51,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:00:51,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:00:51,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:00:51,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:00:51,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:00:51,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:00:51,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:00:51,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:00:51,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:00:51,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:00:51,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:00:51,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:00:51,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:00:51,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:00:51,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:00:51,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:00:51,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:00:51,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:00:51,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:00:51,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:00:51,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:00:51,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:00:51,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:00:51,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:00:51,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:00:51,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:00:51,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:00:51,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:00:51,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:00:51,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:00:51,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:00:51,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:00:51,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:00:51,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:00:51,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:00:51,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:00:51,529 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:00:51,530 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:00:51,530 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:00:51,530 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:00:51,530 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:00:51,530 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:00:51,530 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:00:51,531 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:00:51,531 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:00:51,531 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:00:51,531 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:00:51,531 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:00:51,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:00:51,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:00:51,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:00:51,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:00:51,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:00:51,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:00:51,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:00:51,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:00:51,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:00:51,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:00:51,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:00:51,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:00:51,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:00:51,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:00:51,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:00:51,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:00:51,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:00:51,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:00:51,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:00:51,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:00:51,535 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26a5d85d152e590b5f8a93f229efbb28bdd5e77c34d7106bb5825fc4b732cf6 [2022-12-14 05:00:51,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:00:51,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:00:51,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:00:51,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:00:51,769 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:00:51,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2022-12-14 05:00:54,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:00:54,690 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:00:54,691 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i [2022-12-14 05:00:54,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/data/8657fbbfa/3951c5d9d7b14b38816cb96a433134c0/FLAGcbdf10a46 [2022-12-14 05:00:54,738 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/data/8657fbbfa/3951c5d9d7b14b38816cb96a433134c0 [2022-12-14 05:00:54,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:00:54,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:00:54,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:00:54,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:00:54,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:00:54,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:00:54" (1/1) ... [2022-12-14 05:00:54,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3fc34c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:54, skipping insertion in model container [2022-12-14 05:00:54,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:00:54" (1/1) ... [2022-12-14 05:00:54,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:00:54,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:00:55,059 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2022-12-14 05:00:55,067 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2022-12-14 05:00:55,722 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,723 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,723 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,724 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,725 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,735 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,735 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:55,788 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:55,789 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:55,789 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:55,793 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:00:55,794 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:00:55,794 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:00:55,993 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:00:55,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:00:55,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:00:55,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:00:55,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:00:55,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:00:55,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:00:55,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:00:55,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:00:55,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:00:55,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:00:56,109 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:00:56,133 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:00:56,140 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:00:56,162 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:00:56,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,228 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:00:56,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:00:56,276 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:00:56,285 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4497,4510] [2022-12-14 05:00:56,285 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_f2952cb8-614b-4e90-81d0-2c7199c0caf3/sv-benchmarks/c/aws-c-common/aws_byte_cursor_advance_harness.i[4557,4570] [2022-12-14 05:00:56,308 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,308 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,308 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,309 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,309 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,313 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,314 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,314 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,318 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:56,319 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:56,319 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:00:56,321 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:00:56,322 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:00:56,322 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:00:56,335 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:00:56,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:00:56,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:00:56,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:00:56,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:00:56,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:00:56,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:00:56,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:00:56,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:00:56,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:00:56,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:00:56,353 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:00:56,368 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 05:00:56,373 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:00:56,384 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:00:56,389 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,389 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:00:56,406 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:00:56,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:00:56,656 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:00:56,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56 WrapperNode [2022-12-14 05:00:56,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:00:56,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:00:56,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:00:56,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:00:56,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,794 INFO L138 Inliner]: procedures = 690, calls = 2641, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 881 [2022-12-14 05:00:56,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:00:56,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:00:56,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:00:56,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:00:56,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:00:56,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:00:56,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:00:56,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:00:56,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (1/1) ... [2022-12-14 05:00:56,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:00:56,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:00:56,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:00:56,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:00:56,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 05:00:56,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 05:00:56,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:00:56,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:00:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:00:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:00:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:00:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:00:56,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:00:57,096 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:00:57,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:00:57,919 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:00:58,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:00:58,044 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:00:58,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:00:58 BoogieIcfgContainer [2022-12-14 05:00:58,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:00:58,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:00:58,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:00:58,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:00:58,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:00:54" (1/3) ... [2022-12-14 05:00:58,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43752c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:00:58, skipping insertion in model container [2022-12-14 05:00:58,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:00:56" (2/3) ... [2022-12-14 05:00:58,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43752c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:00:58, skipping insertion in model container [2022-12-14 05:00:58,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:00:58" (3/3) ... [2022-12-14 05:00:58,054 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_advance_harness.i [2022-12-14 05:00:58,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:00:58,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:00:58,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:00:58,108 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;@7641b999, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:00:58,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:00:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.2) internal successors, (42), 36 states have internal predecessors, (42), 22 states have call successors, (22), 6 states have call predecessors, (22), 6 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-14 05:00:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 05:00:58,118 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:00:58,118 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 05:00:58,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:00:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:00:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash -480854068, now seen corresponding path program 1 times [2022-12-14 05:00:58,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:00:58,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492295766] [2022-12-14 05:00:58,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:00:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:00:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 05:01:05,428 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:01:05,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492295766] [2022-12-14 05:01:05,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492295766] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:01:05,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660602798] [2022-12-14 05:01:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:01:05,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:01:05,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:01:05,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2952cb8-614b-4e90-81d0-2c7199c0caf3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:01:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:06,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 2515 conjuncts, 121 conjunts are in the unsatisfiable core [2022-12-14 05:01:06,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:01:06,131 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 [2022-12-14 05:01:06,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:01:06,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:01:06,367 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 [2022-12-14 05:01:06,719 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 05:01:06,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-12-14 05:01:06,836 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-12-14 05:01:06,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-12-14 05:01:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:08,388 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 05:01:08,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 212 [2022-12-14 05:01:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:08,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 229 [2022-12-14 05:01:08,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 170 [2022-12-14 05:01:08,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:08,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:08,499 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 05:01:08,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 194 [2022-12-14 05:01:08,608 INFO L321 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2022-12-14 05:01:08,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 25 [2022-12-14 05:01:09,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:09,232 INFO L321 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2022-12-14 05:01:09,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 180 treesize of output 203 [2022-12-14 05:01:09,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2022-12-14 05:01:09,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:09,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 180 [2022-12-14 05:01:09,463 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 190 [2022-12-14 05:01:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:09,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 189 [2022-12-14 05:01:09,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 49 [2022-12-14 05:01:09,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:09,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 49 treesize of output 44 [2022-12-14 05:01:09,745 INFO L321 Elim1Store]: treesize reduction 47, result has 2.1 percent of original size [2022-12-14 05:01:09,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 214 treesize of output 233 [2022-12-14 05:01:09,990 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-12-14 05:01:09,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 58 [2022-12-14 05:01:10,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:10,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 28 [2022-12-14 05:01:10,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:01:10,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:10,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 52 treesize of output 50 [2022-12-14 05:01:17,338 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:01:17,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 444 treesize of output 492 [2022-12-14 05:01:17,456 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:01:17,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 458 treesize of output 478 [2022-12-14 05:01:17,485 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 175 treesize of output 173 [2022-12-14 05:01:17,687 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:01:17,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 410 treesize of output 498 [2022-12-14 05:01:17,711 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 168 treesize of output 166 [2022-12-14 05:01:17,735 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 164 treesize of output 162 [2022-12-14 05:01:17,758 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 162 treesize of output 160 [2022-12-14 05:03:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:03:33,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:03:34,030 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 13430 disjunctions. This might take some time... [2022-12-14 05:03:44,289 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 13413 disjunctions.