./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/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_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P --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-53f42b1 [2021-11-21 00:05:42,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:05:42,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:05:43,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:05:43,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:05:43,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:05:43,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:05:43,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:05:43,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:05:43,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:05:43,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:05:43,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:05:43,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:05:43,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:05:43,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:05:43,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:05:43,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:05:43,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:05:43,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:05:43,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:05:43,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:05:43,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:05:43,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:05:43,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:05:43,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:05:43,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:05:43,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:05:43,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:05:43,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:05:43,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:05:43,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:05:43,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:05:43,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:05:43,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:05:43,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:05:43,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:05:43,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:05:43,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:05:43,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:05:43,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:05:43,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:05:43,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:05:43,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:05:43,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:05:43,143 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:05:43,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:05:43,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:05:43,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:05:43,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:05:43,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:05:43,145 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:05:43,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:05:43,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:05:43,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:05:43,145 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:05:43,146 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:05:43,146 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:05:43,146 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:05:43,146 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:05:43,146 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:05:43,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:05:43,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:05:43,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:05:43,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:05:43,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:05:43,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:05:43,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:05:43,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:05:43,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:05:43,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:05:43,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:05:43,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:05:43,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:05:43,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:05:43,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:05:43,154 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:05:43,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:05:43,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:05:43,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:05:43,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:05:43,156 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_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2021-11-21 00:05:43,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:05:43,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:05:43,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:05:43,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:05:43,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:05:43,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2021-11-21 00:05:43,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/data/c84064d5e/d5eac0d7827b4be884f008f557e5d64b/FLAG7cb006ebe [2021-11-21 00:05:44,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:05:44,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2021-11-21 00:05:44,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/data/c84064d5e/d5eac0d7827b4be884f008f557e5d64b/FLAG7cb006ebe [2021-11-21 00:05:44,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/data/c84064d5e/d5eac0d7827b4be884f008f557e5d64b [2021-11-21 00:05:44,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:05:44,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:05:44,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:05:44,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:05:44,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:05:44,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:05:44" (1/1) ... [2021-11-21 00:05:44,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d01f70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:44, skipping insertion in model container [2021-11-21 00:05:44,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:05:44" (1/1) ... [2021-11-21 00:05:44,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:05:45,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:05:45,345 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_0fd84a87-6e4b-4696-96b7-3f1117477c28/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2021-11-21 00:05:45,352 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_0fd84a87-6e4b-4696-96b7-3f1117477c28/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2021-11-21 00:05:46,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,336 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,351 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,352 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,354 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,355 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:46,780 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:05:46,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:05:46,785 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:05:46,787 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:05:46,792 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:05:46,797 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:05:46,801 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:05:46,802 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:05:46,804 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:05:46,807 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:05:46,996 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:05:47,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:05:47,316 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:05:47,346 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_0fd84a87-6e4b-4696-96b7-3f1117477c28/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2021-11-21 00:05:47,346 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_0fd84a87-6e4b-4696-96b7-3f1117477c28/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2021-11-21 00:05:47,414 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,415 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,416 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,416 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,422 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,423 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,424 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,425 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,465 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:05:47,466 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:05:47,467 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:05:47,467 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:05:47,471 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:05:47,472 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:05:47,473 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:05:47,474 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:05:47,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:05:47,475 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:05:47,509 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:05:47,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,604 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:05:47,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:05:47,943 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:05:47,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47 WrapperNode [2021-11-21 00:05:47,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:05:47,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:05:47,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:05:47,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:05:47,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,171 INFO L137 Inliner]: procedures = 691, calls = 2619, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 861 [2021-11-21 00:05:48,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:05:48,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:05:48,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:05:48,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:05:48,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:05:48,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:05:48,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:05:48,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:05:48,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (1/1) ... [2021-11-21 00:05:48,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:05:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:05:48,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:05:48,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:05:48,379 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2021-11-21 00:05:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2021-11-21 00:05:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2021-11-21 00:05:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-21 00:05:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-21 00:05:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:05:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 00:05:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 00:05:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:05:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:05:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:05:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:05:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:05:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:05:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-21 00:05:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-21 00:05:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:05:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:05:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 00:05:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 00:05:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-21 00:05:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-21 00:05:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 00:05:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 00:05:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-21 00:05:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-21 00:05:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:05:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:05:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2021-11-21 00:05:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2021-11-21 00:05:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:05:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 00:05:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 00:05:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:05:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2021-11-21 00:05:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2021-11-21 00:05:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:05:48,773 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:05:48,775 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:05:50,350 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:05:50,600 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:05:50,600 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:05:50,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:05:50 BoogieIcfgContainer [2021-11-21 00:05:50,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:05:50,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:05:50,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:05:50,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:05:50,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:05:44" (1/3) ... [2021-11-21 00:05:50,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fd7e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:05:50, skipping insertion in model container [2021-11-21 00:05:50,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:05:47" (2/3) ... [2021-11-21 00:05:50,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fd7e6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:05:50, skipping insertion in model container [2021-11-21 00:05:50,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:05:50" (3/3) ... [2021-11-21 00:05:50,613 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2021-11-21 00:05:50,619 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:05:50,620 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 00:05:50,678 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:05:50,698 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 [2021-11-21 00:05:50,698 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 00:05:50,722 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) [2021-11-21 00:05:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 00:05:50,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:05:50,734 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] [2021-11-21 00:05:50,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:05:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:05:50,741 INFO L85 PathProgramCache]: Analyzing trace with hash 670532630, now seen corresponding path program 1 times [2021-11-21 00:05:50,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:05:50,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905933991] [2021-11-21 00:05:50,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:05:50,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:05:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:05:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-21 00:05:56,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:05:56,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905933991] [2021-11-21 00:05:56,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905933991] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:05:56,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613216586] [2021-11-21 00:05:56,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:05:56,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:05:56,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:05:56,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:05:56,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fd84a87-6e4b-4696-96b7-3f1117477c28/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:05:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:05:57,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 116 conjunts are in the unsatisfiable core [2021-11-21 00:05:57,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:05:57,543 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 [2021-11-21 00:05:58,181 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 [2021-11-21 00:05:58,381 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:05:58,382 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 [2021-11-21 00:05:58,536 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 [2021-11-21 00:05:58,562 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 [2021-11-21 00:06:03,728 INFO L354 Elim1Store]: treesize reduction 154, result has 24.5 percent of original size [2021-11-21 00:06:03,729 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 [2021-11-21 00:06:03,746 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 [2021-11-21 00:06:04,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:04,490 INFO L354 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2021-11-21 00:06:04,490 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 [2021-11-21 00:06:04,631 INFO L354 Elim1Store]: treesize reduction 64, result has 21.0 percent of original size [2021-11-21 00:06:04,631 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 [2021-11-21 00:06:06,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:06:06,080 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 [2021-11-21 00:06:11,668 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 [2021-11-21 00:06:11,679 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 [2021-11-21 00:06:11,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:06:11,713 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 [2021-11-21 00:06:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 00:06:12,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:06:14,491 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2021-11-21 00:13:35,411 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.