./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/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_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI --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 --- [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-5e519f3 [2022-11-03 03:51:25,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:51:25,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:51:25,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:51:25,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:51:25,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:51:25,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:51:25,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:51:25,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:51:25,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:51:25,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:51:25,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:51:25,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:51:25,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:51:25,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:51:25,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:51:25,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:51:25,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:51:25,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:51:25,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:51:25,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:51:25,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:51:25,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:51:25,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:51:25,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:51:25,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:51:25,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:51:25,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:51:25,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:51:25,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:51:25,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:51:25,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:51:25,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:51:25,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:51:25,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:51:25,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:51:25,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:51:25,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:51:25,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:51:25,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:51:25,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:51:25,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:51:25,426 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:51:25,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:51:25,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:51:25,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:51:25,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:51:25,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:51:25,434 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:51:25,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:51:25,434 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:51:25,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:51:25,436 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:51:25,436 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:51:25,437 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:51:25,437 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:51:25,437 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:51:25,438 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:51:25,438 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:51:25,438 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:51:25,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:51:25,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:51:25,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:51:25,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:51:25,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:51:25,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:51:25,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:51:25,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:51:25,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:51:25,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:51:25,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:51:25,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:25,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:51:25,445 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:51:25,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:51:25,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:51:25,446 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:51:25,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:51:25,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:51:25,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:51:25,447 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_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e695a989d07c92d21e9a41b59ca742c73a2098242f3cafca723523a39a7793cb [2022-11-03 03:51:25,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:51:25,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:51:25,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:51:25,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:51:25,901 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:51:25,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-03 03:51:26,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/data/d19de588e/ae089c5d7e184cc98b730640d31e8d63/FLAG6f3c9e723 [2022-11-03 03:51:27,113 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:51:27,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2022-11-03 03:51:27,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/data/d19de588e/ae089c5d7e184cc98b730640d31e8d63/FLAG6f3c9e723 [2022-11-03 03:51:27,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/data/d19de588e/ae089c5d7e184cc98b730640d31e8d63 [2022-11-03 03:51:27,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:51:27,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:51:27,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:27,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:51:27,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:51:27,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:27" (1/1) ... [2022-11-03 03:51:27,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76241a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:27, skipping insertion in model container [2022-11-03 03:51:27,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:27" (1/1) ... [2022-11-03 03:51:27,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:51:27,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:51:28,065 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_27587463-7a4f-4087-85ac-209f1d71bde0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-03 03:51:28,076 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_27587463-7a4f-4087-85ac-209f1d71bde0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-03 03:51:29,385 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,387 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,387 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,388 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,390 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,407 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,408 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,411 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,412 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:29,896 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:51:29,898 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:51:29,900 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:51:29,902 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:51:29,904 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:51:29,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:51:29,906 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:51:29,907 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:51:29,908 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:51:29,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:51:30,140 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:51:30,274 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,274 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:30,546 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:51:30,594 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_27587463-7a4f-4087-85ac-209f1d71bde0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4497,4510] [2022-11-03 03:51:30,607 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_27587463-7a4f-4087-85ac-209f1d71bde0/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i[4557,4570] [2022-11-03 03:51:30,679 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,696 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,697 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,698 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,699 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,706 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,712 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,719 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,720 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:51:30,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:51:30,760 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:51:30,761 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:51:30,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:51:30,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:51:30,764 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:51:30,765 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:51:30,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:51:30,766 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:51:30,793 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:51:30,913 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,914 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:51:30,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:51:31,345 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:51:31,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31 WrapperNode [2022-11-03 03:51:31,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:51:31,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:31,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:51:31,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:51:31,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,558 INFO L138 Inliner]: procedures = 691, calls = 2619, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 861 [2022-11-03 03:51:31,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:51:31,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:51:31,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:51:31,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:51:31,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,631 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:51:31,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:51:31,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:51:31,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:51:31,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (1/1) ... [2022-11-03 03:51:31,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:51:31,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:51:31,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:51:31,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:51:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure htonl [2022-11-03 03:51:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2022-11-03 03:51:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2022-11-03 03:51:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-03 03:51:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-03 03:51:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:51:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:51:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:51:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:51:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:51:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:51:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:51:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:51:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:51:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 03:51:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 03:51:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:51:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:51:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:51:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:51:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 03:51:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 03:51:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:51:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:51:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 03:51:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 03:51:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:51:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:51:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-03 03:51:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-03 03:51:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:51:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 03:51:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 03:51:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:51:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2022-11-03 03:51:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2022-11-03 03:51:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:51:32,285 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:51:32,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:51:34,035 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:51:34,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:51:34,565 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:51:34,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:51:34 BoogieIcfgContainer [2022-11-03 03:51:34,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:51:34,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:51:34,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:51:34,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:51:34,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:51:27" (1/3) ... [2022-11-03 03:51:34,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbddfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:51:34, skipping insertion in model container [2022-11-03 03:51:34,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:31" (2/3) ... [2022-11-03 03:51:34,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbddfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:51:34, skipping insertion in model container [2022-11-03 03:51:34,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:51:34" (3/3) ... [2022-11-03 03:51:34,585 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2022-11-03 03:51:34,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:51:34,610 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:51:34,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:51:34,726 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;@458b083f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:51:34,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:51:34,732 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) [2022-11-03 03:51:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 03:51:34,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:34,745 INFO L195 NwaCegarLoop]: 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] [2022-11-03 03:51:34,746 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:51:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash 670532630, now seen corresponding path program 1 times [2022-11-03 03:51:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:34,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177384249] [2022-11-03 03:51:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:34,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-03 03:51:58,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:58,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177384249] [2022-11-03 03:51:58,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177384249] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:51:58,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287389537] [2022-11-03 03:51:58,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:51:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:51:58,224 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:51:58,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27587463-7a4f-4087-85ac-209f1d71bde0/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:51:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:59,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 2637 conjuncts, 134 conjunts are in the unsatisfiable core [2022-11-03 03:51:59,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:51:59,757 INFO L390 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 13 treesize of output 9 [2022-11-03 03:51:59,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:52:03,895 INFO L390 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 20 treesize of output 8 [2022-11-03 03:52:04,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:52:04,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:52:04,258 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-03 03:52:04,259 INFO L390 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 1 case distinctions, treesize of input 34 treesize of output 44 [2022-11-03 03:52:11,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:52:11,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:52:11,778 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-03 03:52:11,779 INFO L390 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 1 case distinctions, treesize of input 51 treesize of output 57 [2022-11-03 03:52:30,553 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:52:30,554 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 287 treesize of output 271 [2022-11-03 03:52:30,745 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:52:30,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 273 treesize of output 289 [2022-11-03 03:52:30,784 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:52:30,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 171 [2022-11-03 03:52:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:52:31,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:52:35,241 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-03 04:02:11,168 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.