./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:40:13,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:40:13,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:40:13,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:40:13,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:40:13,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:40:13,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:40:13,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:40:13,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:40:13,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:40:13,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:40:13,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:40:13,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:40:13,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:40:13,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:40:13,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:40:13,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:40:13,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:40:13,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:40:13,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:40:13,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:40:13,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:40:13,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:40:13,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:40:13,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:40:13,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:40:13,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:40:13,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:40:13,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:40:13,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:40:13,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:40:13,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:40:13,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:40:13,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:40:13,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:40:13,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:40:13,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:40:13,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:40:13,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:40:13,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:40:13,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:40:13,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:40:13,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:40:13,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:40:13,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:40:13,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:40:13,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:40:13,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:40:13,678 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:40:13,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:40:13,678 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:40:13,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:40:13,679 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:40:13,679 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:40:13,680 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:40:13,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:40:13,680 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:40:13,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:40:13,681 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:40:13,681 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:40:13,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:40:13,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:40:13,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:40:13,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:40:13,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:40:13,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:40:13,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:40:13,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:40:13,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:40:13,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:40:13,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:40:13,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:40:13,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:40:13,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:40:13,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:40:13,687 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:40:13,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:40:13,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:40:13,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:40:13,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:40:13,688 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2021-11-23 02:40:14,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:40:14,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:40:14,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:40:14,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:40:14,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:40:14,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2021-11-23 02:40:14,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/data/9324e9dc1/62e892c2fc594abeaafaf75b5c14edb5/FLAG9e8f510a9 [2021-11-23 02:40:15,222 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:40:15,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2021-11-23 02:40:15,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/data/9324e9dc1/62e892c2fc594abeaafaf75b5c14edb5/FLAG9e8f510a9 [2021-11-23 02:40:15,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/data/9324e9dc1/62e892c2fc594abeaafaf75b5c14edb5 [2021-11-23 02:40:15,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:40:15,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:40:15,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:15,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:40:15,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:40:15,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:15" (1/1) ... [2021-11-23 02:40:15,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2532a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:15, skipping insertion in model container [2021-11-23 02:40:15,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:15" (1/1) ... [2021-11-23 02:40:15,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:40:15,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:40:16,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2021-11-23 02:40:16,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2021-11-23 02:40:17,356 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,358 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,359 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,360 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,380 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,381 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,383 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,384 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:17,968 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:40:17,970 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:40:17,972 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:40:17,974 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:40:17,976 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:40:17,977 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:40:17,978 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:40:17,979 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:40:17,980 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:40:17,981 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:40:18,279 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:40:18,490 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,492 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:40:18,724 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:40:18,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2021-11-23 02:40:18,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2021-11-23 02:40:18,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,836 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,837 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,837 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,838 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,846 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,847 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,848 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,849 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:18,893 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:40:18,894 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:40:18,895 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:40:18,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:40:18,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:40:18,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:40:18,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:40:18,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:40:18,904 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:40:18,911 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:40:18,938 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:40:19,002 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:19,003 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:40:19,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:40:19,555 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:40:19,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19 WrapperNode [2021-11-23 02:40:19,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:19,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:40:19,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:40:19,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:40:19,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:19,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:19,911 INFO L137 Inliner]: procedures = 691, calls = 2619, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 861 [2021-11-23 02:40:19,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:40:19,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:40:19,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:40:19,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:40:19,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:19,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:19,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:19,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:20,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:20,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:20,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:20,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:40:20,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:40:20,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:40:20,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:40:20,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (1/1) ... [2021-11-23 02:40:20,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:40:20,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:20,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:40:20,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:40:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2021-11-23 02:40:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2021-11-23 02:40:20,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2021-11-23 02:40:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-23 02:40:20,199 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-23 02:40:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:40:20,199 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 02:40:20,201 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 02:40:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:40:20,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:40:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:40:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:40:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:40:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:40:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-23 02:40:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-23 02:40:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:40:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:40:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 02:40:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 02:40:20,205 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 02:40:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 02:40:20,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:40:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:40:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-23 02:40:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-23 02:40:20,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:40:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:40:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2021-11-23 02:40:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2021-11-23 02:40:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:40:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-23 02:40:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-23 02:40:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:40:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2021-11-23 02:40:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2021-11-23 02:40:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:40:20,698 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:40:20,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:40:22,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:40:23,155 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:40:23,155 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:40:23,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:23 BoogieIcfgContainer [2021-11-23 02:40:23,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:40:23,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:40:23,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:40:23,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:40:23,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:40:15" (1/3) ... [2021-11-23 02:40:23,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af1337f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:23, skipping insertion in model container [2021-11-23 02:40:23,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:19" (2/3) ... [2021-11-23 02:40:23,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af1337f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:40:23, skipping insertion in model container [2021-11-23 02:40:23,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:40:23" (3/3) ... [2021-11-23 02:40:23,178 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2021-11-23 02:40:23,190 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:40:23,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:40:23,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:40:23,273 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:40:23,273 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:40:23,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 36 states have call successors, (36), 12 states have call predecessors, (36), 12 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-11-23 02:40:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 02:40:23,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:40:23,321 INFO L514 BasicCegarLoop]: trace histogram [6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:40:23,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:40:23,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:40:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash 670532630, now seen corresponding path program 1 times [2021-11-23 02:40:23,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:40:23,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073285982] [2021-11-23 02:40:23,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:23,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:40:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-23 02:40:31,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:40:31,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073285982] [2021-11-23 02:40:31,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073285982] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:40:31,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820338148] [2021-11-23 02:40:31,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:40:31,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:40:31,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:40:31,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:40:31,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26148498-9ca0-410c-bcce-23501dafc1cf/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:40:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:40:32,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-23 02:40:32,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:40:32,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 02:40:33,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-11-23 02:40:33,676 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:40:33,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-23 02:40:33,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 23 [2021-11-23 02:40:33,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-23 02:40:40,771 INFO L354 Elim1Store]: treesize reduction 154, result has 24.5 percent of original size [2021-11-23 02:40:40,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 106 [2021-11-23 02:40:40,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 94 treesize of output 58 [2021-11-23 02:40:41,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:40:41,757 INFO L354 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2021-11-23 02:40:41,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 52 [2021-11-23 02:40:41,954 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-11-23 02:40:41,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 63 [2021-11-23 02:40:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:40:43,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 48 [2021-11-23 02:40:51,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 263 treesize of output 247 [2021-11-23 02:40:51,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 247 treesize of output 231 [2021-11-23 02:40:51,459 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:40:51,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 231 treesize of output 175 [2021-11-23 02:40:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 02:40:51,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:40:54,780 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2021-11-23 02:49:47,469 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.