./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:01:53,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:01:53,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:01:53,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:01:53,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:01:53,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:01:53,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:01:53,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:01:53,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:01:53,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:01:53,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:01:53,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:01:53,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:01:53,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:01:53,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:01:53,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:01:53,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:01:53,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:01:53,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:01:53,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:01:53,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:01:53,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:01:53,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:01:53,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:01:53,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:01:53,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:01:53,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:01:53,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:01:53,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:01:53,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:01:53,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:01:53,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:01:53,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:01:53,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:01:53,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:01:53,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:01:53,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:01:53,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:01:53,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:01:53,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:01:53,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:01:53,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:01:53,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:01:53,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:01:53,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:01:53,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:01:53,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:01:53,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:01:53,371 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:01:53,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:01:53,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:01:53,372 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:01:53,373 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:01:53,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:01:53,374 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:01:53,374 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:01:53,374 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:01:53,375 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:01:53,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:01:53,375 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:01:53,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:01:53,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:01:53,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:01:53,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:01:53,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:01:53,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:01:53,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:01:53,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:01:53,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:01:53,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:01:53,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:01:53,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:53,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:01:53,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:01:53,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:01:53,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:01:53,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:01:53,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:01:53,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:01:53,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:01:53,383 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_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60926facf5511174d61dcd6a0b7a731efc9ccdb495bc26b58400da4cd6320ca0 [2021-11-23 02:01:53,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:01:53,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:01:53,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:01:53,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:01:53,723 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:01:53,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-23 02:01:53,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/data/ae80d5b91/c3d4175ab2cd40769cb672bb7c054939/FLAG6db36d07d [2021-11-23 02:01:54,706 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:01:54,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i [2021-11-23 02:01:54,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/data/ae80d5b91/c3d4175ab2cd40769cb672bb7c054939/FLAG6db36d07d [2021-11-23 02:01:55,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/data/ae80d5b91/c3d4175ab2cd40769cb672bb7c054939 [2021-11-23 02:01:55,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:01:55,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:01:55,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:55,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:01:55,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:01:55,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:55" (1/1) ... [2021-11-23 02:01:55,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b059f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:55, skipping insertion in model container [2021-11-23 02:01:55,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:01:55" (1/1) ... [2021-11-23 02:01:55,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:01:55,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:01:55,551 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_1f265f9c-412b-4e2c-ae05-f23ded42f16e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-23 02:01:55,560 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_1f265f9c-412b-4e2c-ae05-f23ded42f16e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-23 02:01:56,525 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,529 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,531 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,569 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:56,570 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:01:57,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:01:57,052 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:01:57,053 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:01:57,055 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:01:57,055 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:01:57,056 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:01:57,057 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:01:57,058 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:01:57,058 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:01:57,265 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:01:57,465 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,468 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:57,666 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:01:57,692 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_1f265f9c-412b-4e2c-ae05-f23ded42f16e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4505,4518] [2021-11-23 02:01:57,707 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_1f265f9c-412b-4e2c-ae05-f23ded42f16e/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness.i[4565,4578] [2021-11-23 02:01:57,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,766 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,767 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,768 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,788 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,793 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,794 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,849 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 02:01:57,850 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 02:01:57,851 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 02:01:57,852 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 02:01:57,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 02:01:57,853 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 02:01:57,854 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 02:01:57,854 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 02:01:57,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 02:01:57,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 02:01:57,926 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 02:01:57,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:57,985 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 02:01:58,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:01:58,269 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:01:58,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58 WrapperNode [2021-11-23 02:01:58,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:01:58,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:58,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:01:58,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:01:58,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,519 INFO L137 Inliner]: procedures = 691, calls = 2656, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 925 [2021-11-23 02:01:58,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:01:58,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:01:58,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:01:58,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:01:58,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:01:58,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:01:58,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:01:58,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:01:58,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (1/1) ... [2021-11-23 02:01:58,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:01:58,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:01:58,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:01:58,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:01:58,774 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2021-11-23 02:01:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2021-11-23 02:01:58,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2021-11-23 02:01:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2021-11-23 02:01:58,776 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:01:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:01:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-23 02:01:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-23 02:01:58,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:01:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2021-11-23 02:01:58,779 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2021-11-23 02:01:58,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:01:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:01:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:01:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:01:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-23 02:01:58,780 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-23 02:01:58,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:01:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:01:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:01:58,781 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-23 02:01:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-23 02:01:58,782 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-23 02:01:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-23 02:01:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:01:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:01:58,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:01:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:01:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:01:58,784 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 02:01:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 02:01:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:01:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2021-11-23 02:01:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2021-11-23 02:01:58,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:01:59,148 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:01:59,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:02:00,873 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:02:01,071 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:02:01,072 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:02:01,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:01 BoogieIcfgContainer [2021-11-23 02:02:01,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:02:01,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:02:01,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:02:01,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:02:01,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:01:55" (1/3) ... [2021-11-23 02:02:01,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66614611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:01, skipping insertion in model container [2021-11-23 02:02:01,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:01:58" (2/3) ... [2021-11-23 02:02:01,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66614611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:02:01, skipping insertion in model container [2021-11-23 02:02:01,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:02:01" (3/3) ... [2021-11-23 02:02:01,085 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness.i [2021-11-23 02:02:01,090 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:02:01,091 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:02:01,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:02:01,149 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:02:01,149 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:02:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-11-23 02:02:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 02:02:01,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:01,183 INFO L514 BasicCegarLoop]: trace histogram [9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:01,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:01,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:01,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1241526131, now seen corresponding path program 1 times [2021-11-23 02:02:01,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:01,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620916759] [2021-11-23 02:02:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:01,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:03,594 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-23 02:02:03,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:03,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620916759] [2021-11-23 02:02:03,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620916759] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:02:03,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038171402] [2021-11-23 02:02:03,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:03,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:02:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:02:03,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:02:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:02:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:04,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 2623 conjuncts, 110 conjunts are in the unsatisfiable core [2021-11-23 02:02:04,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:02:04,310 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 10 treesize of output 8 [2021-11-23 02:02:04,596 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 [2021-11-23 02:02:04,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-23 02:02:04,610 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 [2021-11-23 02:02:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 02:02:06,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:02:06,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038171402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:02:06,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:02:06,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 28 [2021-11-23 02:02:06,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277286833] [2021-11-23 02:02:06,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:02:06,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 02:02:06,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:02:06,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 02:02:06,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2021-11-23 02:02:06,926 INFO L87 Difference]: Start difference. First operand has 120 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 10 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2021-11-23 02:02:07,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:02:07,403 INFO L93 Difference]: Finished difference Result 241 states and 338 transitions. [2021-11-23 02:02:07,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 02:02:07,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) Word has length 82 [2021-11-23 02:02:07,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:02:07,420 INFO L225 Difference]: With dead ends: 241 [2021-11-23 02:02:07,421 INFO L226 Difference]: Without dead ends: 119 [2021-11-23 02:02:07,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 75 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2021-11-23 02:02:07,436 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 39 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 91 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:02:07,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 871 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 91 Unchecked, 0.3s Time] [2021-11-23 02:02:07,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-11-23 02:02:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-11-23 02:02:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 60 states have (on average 1.15) internal successors, (69), 62 states have internal predecessors, (69), 46 states have call successors, (46), 11 states have call predecessors, (46), 12 states have return successors, (46), 45 states have call predecessors, (46), 45 states have call successors, (46) [2021-11-23 02:02:07,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 161 transitions. [2021-11-23 02:02:07,527 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 161 transitions. Word has length 82 [2021-11-23 02:02:07,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:02:07,528 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 161 transitions. [2021-11-23 02:02:07,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 5 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2021-11-23 02:02:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2021-11-23 02:02:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 02:02:07,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:02:07,537 INFO L514 BasicCegarLoop]: trace histogram [10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:02:07,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:02:07,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:02:07,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:02:07,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:02:07,753 INFO L85 PathProgramCache]: Analyzing trace with hash 107369648, now seen corresponding path program 1 times [2021-11-23 02:02:07,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:02:07,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016851053] [2021-11-23 02:02:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:07,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:02:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-23 02:02:09,507 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:02:09,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016851053] [2021-11-23 02:02:09,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016851053] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:02:09,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580903392] [2021-11-23 02:02:09,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:02:09,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:02:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:02:09,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:02:09,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f265f9c-412b-4e2c-ae05-f23ded42f16e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:02:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:02:10,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 02:02:10,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:02:10,138 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 10 treesize of output 8 [2021-11-23 02:02:10,444 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 18 treesize of output 14 [2021-11-23 02:02:11,592 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 02:02:11,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 31 [2021-11-23 02:02:11,611 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 02:02:11,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2021-11-23 02:02:13,497 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_1| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_1| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (= .cse0 (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_1|) 8)) (not (= .cse0 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_1| 0))))) is different from true [2021-11-23 02:02:15,049 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_2| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_2| 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_2| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_2|) 8) .cse0) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:16,647 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_3| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_3| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_3| 0)) (= .cse0 (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_3|) 8)) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:18,438 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_4| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_4| 0)) (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_4|) 8) .cse0) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_4| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:20,099 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_5| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_5|) 8) .cse0) (not (= .cse0 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_5| 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_5| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|))))) is different from true [2021-11-23 02:02:21,812 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_6| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_6| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_6| 0)) (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_6|) 8) .cse0) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:23,473 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_7| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (= .cse0 (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_7|) 8)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_7| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_7| 0)) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:25,224 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_8| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_8| 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_8| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|)) (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_8|) 8) .cse0) (not (= .cse0 0))))) is different from true [2021-11-23 02:02:26,864 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base| Int) (|v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_9| Int) (|ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset| Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|) (+ 8 |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.offset|)))) (and (= (select (select |c_#memory_$Pointer$.base| |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_9|) 8) .cse0) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_9| 0)) (not (= .cse0 0)) (not (= |v_aws_byte_cursor_compare_lexical_~lhs#1.base_BEFORE_CALL_9| |ULTIMATE.start_aws_byte_cursor_compare_lexical_harness_~#rhs~0#1.base|))))) is different from true [2021-11-23 02:02:30,592 INFO L354 Elim1Store]: treesize reduction 36, result has 55.6 percent of original size [2021-11-23 02:02:30,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 122 treesize of output 126 [2021-11-23 02:02:30,603 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 120 treesize of output 112 [2021-11-23 02:02:30,609 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 112 treesize of output 104 [2021-11-23 02:02:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 65 not checked. [2021-11-23 02:02:30,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:02:31,855 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 13430 disjunctions. This might take some time... [2021-11-23 02:02:46,409 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 13413 disjunctions.