./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7 --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 0658a835d559c56129f1a85a00e9d3bbd205d66ef64b5c7d14ae72b3d1b496e0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:51:11,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:51:11,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:51:11,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:51:11,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:51:11,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:51:11,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:51:11,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:51:11,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:51:12,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:51:12,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:51:12,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:51:12,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:51:12,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:51:12,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:51:12,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:51:12,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:51:12,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:51:12,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:51:12,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:51:12,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:51:12,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:51:12,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:51:12,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:51:12,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:51:12,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:51:12,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:51:12,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:51:12,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:51:12,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:51:12,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:51:12,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:51:12,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:51:12,050 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:51:12,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:51:12,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:51:12,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:51:12,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:51:12,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:51:12,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:51:12,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:51:12,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:51:12,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:51:12,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:51:12,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:51:12,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:51:12,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:51:12,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:51:12,125 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:51:12,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:51:12,125 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:51:12,125 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:51:12,126 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:51:12,126 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:51:12,126 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:51:12,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:51:12,127 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:51:12,127 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:51:12,127 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:51:12,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:51:12,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:51:12,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:51:12,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:51:12,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:51:12,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:51:12,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:51:12,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:51:12,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:51:12,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:51:12,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:51:12,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:51:12,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:51:12,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:51:12,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:51:12,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:51:12,140 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:51:12,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:51:12,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:51:12,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:51:12,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:51:12,141 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_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0658a835d559c56129f1a85a00e9d3bbd205d66ef64b5c7d14ae72b3d1b496e0 [2021-11-25 19:51:12,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:51:12,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:51:12,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:51:12,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:51:12,447 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:51:12,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2021-11-25 19:51:12,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/data/b32546e2a/187bc20a2a4b41b2a9470c424d8fa1e3/FLAG8562e6ffa [2021-11-25 19:51:13,499 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:51:13,500 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2021-11-25 19:51:13,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/data/b32546e2a/187bc20a2a4b41b2a9470c424d8fa1e3/FLAG8562e6ffa [2021-11-25 19:51:13,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/data/b32546e2a/187bc20a2a4b41b2a9470c424d8fa1e3 [2021-11-25 19:51:13,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:51:13,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:51:13,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:51:13,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:51:13,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:51:13,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:13" (1/1) ... [2021-11-25 19:51:13,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e4150a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:13, skipping insertion in model container [2021-11-25 19:51:13,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:13" (1/1) ... [2021-11-25 19:51:14,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:51:14,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:51:14,464 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_c2f6298f-400c-40b9-a272-ecd50db0ff30/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2021-11-25 19:51:14,473 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_c2f6298f-400c-40b9-a272-ecd50db0ff30/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2021-11-25 19:51:15,841 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,845 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,862 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,863 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,865 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:15,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:16,393 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:51:16,395 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:51:16,396 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:51:16,398 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:51:16,399 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:51:16,400 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:51:16,401 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:51:16,402 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:51:16,403 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:51:16,403 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:51:16,690 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:51:16,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:16,813 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:16,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:17,034 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:51:17,065 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_c2f6298f-400c-40b9-a272-ecd50db0ff30/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2021-11-25 19:51:17,077 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_c2f6298f-400c-40b9-a272-ecd50db0ff30/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2021-11-25 19:51:17,176 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,177 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,177 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,178 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,195 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,196 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,201 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,201 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,263 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 19:51:17,264 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 19:51:17,265 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 19:51:17,266 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 19:51:17,267 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 19:51:17,267 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 19:51:17,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 19:51:17,268 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 19:51:17,269 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 19:51:17,274 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 19:51:17,305 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 19:51:17,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,368 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 19:51:17,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:51:17,759 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:51:17,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17 WrapperNode [2021-11-25 19:51:17,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:51:17,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:17,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:51:17,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:51:17,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:17,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,037 INFO L137 Inliner]: procedures = 691, calls = 2649, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 829 [2021-11-25 19:51:18,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:51:18,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:51:18,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:51:18,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:51:18,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:51:18,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:51:18,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:51:18,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:51:18,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (1/1) ... [2021-11-25 19:51:18,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:51:18,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:51:18,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:51:18,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:51:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-25 19:51:18,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-25 19:51:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:51:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 19:51:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 19:51:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:51:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2021-11-25 19:51:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2021-11-25 19:51:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:51:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:51:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:51:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:51:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-25 19:51:18,274 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-25 19:51:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:51:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 19:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 19:51:18,276 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 19:51:18,276 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 19:51:18,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 19:51:18,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 19:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:51:18,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:51:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:51:18,279 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2021-11-25 19:51:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2021-11-25 19:51:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2021-11-25 19:51:18,280 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2021-11-25 19:51:18,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:51:18,616 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:51:18,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:51:20,112 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:51:20,318 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:51:20,318 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 19:51:20,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:20 BoogieIcfgContainer [2021-11-25 19:51:20,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:51:20,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:51:20,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:51:20,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:51:20,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:51:13" (1/3) ... [2021-11-25 19:51:20,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c6d000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:51:20, skipping insertion in model container [2021-11-25 19:51:20,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:17" (2/3) ... [2021-11-25 19:51:20,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c6d000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:51:20, skipping insertion in model container [2021-11-25 19:51:20,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:20" (3/3) ... [2021-11-25 19:51:20,334 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2021-11-25 19:51:20,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:51:20,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:51:20,415 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:51:20,432 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 [2021-11-25 19:51:20,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:51:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 57 states have internal predecessors, (68), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2021-11-25 19:51:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:51:20,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:20,489 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:20,490 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:51:20,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:20,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1596270366, now seen corresponding path program 1 times [2021-11-25 19:51:20,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:51:20,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34079811] [2021-11-25 19:51:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:20,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:51:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:23,703 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-25 19:51:23,703 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:51:23,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34079811] [2021-11-25 19:51:23,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34079811] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:51:23,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658612213] [2021-11-25 19:51:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:23,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:51:23,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:51:23,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:51:23,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f6298f-400c-40b9-a272-ecd50db0ff30/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:51:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:24,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 2646 conjuncts, 99 conjunts are in the unsatisfiable core [2021-11-25 19:51:24,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:51:24,725 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 13 treesize of output 9 [2021-11-25 19:51:24,731 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 13 treesize of output 9 [2021-11-25 19:51:25,494 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 17 treesize of output 13 [2021-11-25 19:51:25,502 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 17 treesize of output 13 [2021-11-25 19:51:25,511 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 21 treesize of output 13 [2021-11-25 19:51:25,518 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 21 treesize of output 13 [2021-11-25 19:51:25,531 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 6 treesize of output 5 [2021-11-25 19:51:28,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:51:28,213 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 19:51:28,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 88 treesize of output 68 [2021-11-25 19:51:28,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:51:28,224 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-25 19:51:28,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 48 [2021-11-25 19:51:28,858 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 21 treesize of output 13 [2021-11-25 19:51:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 19:51:28,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:51:30,712 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 14202 disjunctions. This might take some time... [2021-11-25 19:51:56,570 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 13413 disjunctions.