./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:29,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:29,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:29,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:29,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:29,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:29,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:29,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:29,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:29,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:29,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:29,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:29,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:29,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:29,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:29,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:29,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:29,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:29,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:29,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:29,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:29,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:29,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:29,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:29,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:29,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:29,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:29,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:29,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:29,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:29,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:29,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:29,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:29,656 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:29,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:29,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:29,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:29,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:29,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:29,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:29,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:29,662 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:35:29,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:29,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:29,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:29,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:29,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:29,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:29,709 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:29,709 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:29,709 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:29,710 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:35:29,711 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:29,711 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:29,711 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:35:29,712 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:35:29,712 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:29,712 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:35:29,712 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:35:29,713 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:35:29,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:29,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:35:29,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:29,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:29,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:29,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:29,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:29,715 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:29,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:29,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:29,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:29,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:29,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:29,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:29,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:29,718 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:35:29,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:35:29,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:29,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:29,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:29,719 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_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 [2021-11-20 23:35:30,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:30,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:30,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:30,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:30,065 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:30,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:30,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/0669c4b58/97bcb3aa8801421984a0634b604589ff/FLAGf340090bc [2021-11-20 23:35:31,123 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:31,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:31,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/0669c4b58/97bcb3aa8801421984a0634b604589ff/FLAGf340090bc [2021-11-20 23:35:31,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/0669c4b58/97bcb3aa8801421984a0634b604589ff [2021-11-20 23:35:31,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:31,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:31,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:31,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:31,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:31,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:31" (1/1) ... [2021-11-20 23:35:31,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e98e66a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:31, skipping insertion in model container [2021-11-20 23:35:31,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:31" (1/1) ... [2021-11-20 23:35:31,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:31,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:32,080 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-20 23:35:32,088 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-20 23:35:33,199 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,202 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,204 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,222 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,223 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,225 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,226 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:33,634 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:35:33,636 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:35:33,637 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:35:33,638 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:35:33,640 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:35:33,640 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:35:33,641 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:35:33,642 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:35:33,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:35:33,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:35:33,840 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:35:34,030 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:34,189 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:34,203 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-20 23:35:34,203 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-20 23:35:34,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,236 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,237 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,238 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,244 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,245 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,288 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:35:34,290 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:35:34,291 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:35:34,292 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:35:34,292 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:35:34,293 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:35:34,294 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:35:34,295 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:35:34,295 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:35:34,296 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:35:34,330 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:35:34,448 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:34,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:34,825 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:34,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34 WrapperNode [2021-11-20 23:35:34,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:34,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:34,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:34,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:34,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:34,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,065 INFO L137 Inliner]: procedures = 690, calls = 2622, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 832 [2021-11-20 23:35:35,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:35,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:35,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:35,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:35,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:35,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:35,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:35,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:35,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (1/1) ... [2021-11-20 23:35:35,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:35,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:35,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:35,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-20 23:35:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-20 23:35:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 23:35:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 23:35:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:35:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:35:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:35:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 23:35:35,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 23:35:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-11-20 23:35:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-11-20 23:35:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:35:35,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:35:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:35:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-20 23:35:35,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-20 23:35:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:35:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:35:35,477 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:35,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:37,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:37,245 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:37,246 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:35:37,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:37 BoogieIcfgContainer [2021-11-20 23:35:37,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:37,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:37,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:37,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:37,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:31" (1/3) ... [2021-11-20 23:35:37,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:37, skipping insertion in model container [2021-11-20 23:35:37,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:34" (2/3) ... [2021-11-20 23:35:37,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:37, skipping insertion in model container [2021-11-20 23:35:37,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:37" (3/3) ... [2021-11-20 23:35:37,260 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:37,268 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:37,269 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:35:37,341 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:37,356 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 [2021-11-20 23:35:37,356 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:35:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 36 states have internal predecessors, (41), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-20 23:35:37,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 23:35:37,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:37,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:37,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:37,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:37,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1787817754, now seen corresponding path program 1 times [2021-11-20 23:35:37,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:37,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789640272] [2021-11-20 23:35:37,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:37,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:39,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:39,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789640272] [2021-11-20 23:35:39,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789640272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:39,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:39,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 23:35:39,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020627819] [2021-11-20 23:35:39,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:39,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:35:39,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:35:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:35:39,102 INFO L87 Difference]: Start difference. First operand has 65 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 36 states have internal predecessors, (41), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 9 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:39,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:39,564 INFO L93 Difference]: Finished difference Result 117 states and 160 transitions. [2021-11-20 23:35:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:35:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 17 [2021-11-20 23:35:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:39,576 INFO L225 Difference]: With dead ends: 117 [2021-11-20 23:35:39,576 INFO L226 Difference]: Without dead ends: 70 [2021-11-20 23:35:39,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:35:39,584 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 5 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:39,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 487 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:35:39,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-20 23:35:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2021-11-20 23:35:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 39 states have internal predecessors, (40), 24 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-20 23:35:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2021-11-20 23:35:39,638 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 17 [2021-11-20 23:35:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:39,638 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2021-11-20 23:35:39,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:35:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-11-20 23:35:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-20 23:35:39,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:39,662 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:35:39,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:35:39,663 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:39,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1691261763, now seen corresponding path program 1 times [2021-11-20 23:35:39,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:39,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380372530] [2021-11-20 23:35:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:39,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:40,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:35:40,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:40,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380372530] [2021-11-20 23:35:40,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380372530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:40,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:40,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 23:35:40,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794936577] [2021-11-20 23:35:40,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:40,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 23:35:40,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:40,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 23:35:40,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-20 23:35:40,445 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:35:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:41,043 INFO L93 Difference]: Finished difference Result 100 states and 128 transitions. [2021-11-20 23:35:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:35:41,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 26 [2021-11-20 23:35:41,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:41,046 INFO L225 Difference]: With dead ends: 100 [2021-11-20 23:35:41,046 INFO L226 Difference]: Without dead ends: 98 [2021-11-20 23:35:41,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:35:41,048 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 18 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:41,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 464 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 23:35:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-20 23:35:41,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-11-20 23:35:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 40 states have (on average 1.1) internal successors, (44), 43 states have internal predecessors, (44), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-20 23:35:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2021-11-20 23:35:41,075 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 26 [2021-11-20 23:35:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:41,076 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2021-11-20 23:35:41,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:35:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2021-11-20 23:35:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 23:35:41,080 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:41,080 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-20 23:35:41,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:35:41,082 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:41,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:41,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1600456622, now seen corresponding path program 1 times [2021-11-20 23:35:41,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:41,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806706916] [2021-11-20 23:35:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:41,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 23:35:41,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:35:41,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806706916] [2021-11-20 23:35:41,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806706916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:41,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:41,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 23:35:41,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758382920] [2021-11-20 23:35:41,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:41,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:35:41,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:35:41,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:35:41,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:35:41,430 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 23:35:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:41,784 INFO L93 Difference]: Finished difference Result 82 states and 99 transitions. [2021-11-20 23:35:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 23:35:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 32 [2021-11-20 23:35:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:41,788 INFO L225 Difference]: With dead ends: 82 [2021-11-20 23:35:41,788 INFO L226 Difference]: Without dead ends: 80 [2021-11-20 23:35:41,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:35:41,790 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 18 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:41,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 269 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:35:41,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-20 23:35:41,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-20 23:35:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 46 states have internal predecessors, (47), 26 states have call successors, (26), 10 states have call predecessors, (26), 10 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2021-11-20 23:35:41,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 97 transitions. [2021-11-20 23:35:41,807 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 97 transitions. Word has length 32 [2021-11-20 23:35:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:41,823 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 97 transitions. [2021-11-20 23:35:41,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 23:35:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-20 23:35:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-20 23:35:41,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:41,826 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-20 23:35:41,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:35:41,826 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:41,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:41,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1963777958, now seen corresponding path program 1 times [2021-11-20 23:35:41,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:35:41,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274233453] [2021-11-20 23:35:41,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:41,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:35:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:35:42,913 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 23:35:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 23:35:43,501 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-20 23:35:43,501 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 23:35:43,503 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:35:43,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:35:43,509 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 23:35:43,512 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:35:43,529 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,530 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,530 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,531 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,539 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,540 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,540 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,541 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,542 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,543 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,544 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,544 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,545 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,545 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,546 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,548 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,549 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,549 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,549 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,550 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,550 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,550 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,551 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,551 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,551 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,551 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,552 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,553 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,553 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,553 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,554 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,555 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,555 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,556 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,556 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,558 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,558 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,559 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,559 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,559 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,564 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,564 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,564 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,565 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,565 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,565 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,565 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,566 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,566 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,566 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,566 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,567 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,567 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,567 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,568 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,568 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,569 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,569 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,570 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,570 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,570 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,571 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,572 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,572 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,572 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,572 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,573 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,573 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,573 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,573 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,574 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,574 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,574 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,574 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,575 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,575 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,575 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,575 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,576 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,576 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,576 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,577 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,581 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,581 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,581 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,582 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,582 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,585 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,587 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,587 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,588 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,589 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,589 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,589 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,590 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,590 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,591 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,591 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,592 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,593 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,593 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,595 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,595 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,595 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,596 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,596 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,597 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,597 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,597 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,598 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,602 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,602 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,602 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,602 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,603 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,603 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,603 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,604 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,604 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,604 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,604 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,605 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,606 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,606 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,606 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,607 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,608 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,609 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,609 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,610 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,611 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,611 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,612 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,612 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,613 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,614 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,614 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,614 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,615 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,615 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,615 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,615 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,616 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,617 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,617 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,619 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,621 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,622 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,623 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,623 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,623 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,624 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-20 23:35:43,625 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,626 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-20 23:35:43,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-20 23:35:43,626 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-20 23:35:43,626 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-20 23:35:43,626 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-20 23:35:43,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:35:43 BoogieIcfgContainer [2021-11-20 23:35:43,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:35:43,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:35:43,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:35:43,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:35:43,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:37" (3/4) ... [2021-11-20 23:35:43,707 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 23:35:43,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:35:43,708 INFO L158 Benchmark]: Toolchain (without parser) took 12145.83ms. Allocated memory was 102.8MB in the beginning and 276.8MB in the end (delta: 174.1MB). Free memory was 63.4MB in the beginning and 145.7MB in the end (delta: -82.3MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,709 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:35:43,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3259.66ms. Allocated memory was 102.8MB in the beginning and 180.4MB in the end (delta: 77.6MB). Free memory was 63.2MB in the beginning and 108.5MB in the end (delta: -45.3MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.20ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 97.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,712 INFO L158 Benchmark]: Boogie Preprocessor took 76.35ms. Allocated memory is still 180.4MB. Free memory was 97.0MB in the beginning and 90.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,713 INFO L158 Benchmark]: RCFGBuilder took 2105.43ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 90.7MB in the beginning and 159.1MB in the end (delta: -68.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,713 INFO L158 Benchmark]: TraceAbstraction took 6450.18ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 158.0MB in the beginning and 145.7MB in the end (delta: 12.3MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. [2021-11-20 23:35:43,713 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 276.8MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:35:43,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3259.66ms. Allocated memory was 102.8MB in the beginning and 180.4MB in the end (delta: 77.6MB). Free memory was 63.2MB in the beginning and 108.5MB in the end (delta: -45.3MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 239.20ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 97.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.35ms. Allocated memory is still 180.4MB. Free memory was 97.0MB in the beginning and 90.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2105.43ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 90.7MB in the beginning and 159.1MB in the end (delta: -68.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6450.18ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 158.0MB in the beginning and 145.7MB in the end (delta: 12.3MB). Peak memory consumption was 126.6MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 276.8MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 8772, overapproximation of strlen at line 8191. Possible FailurePath: [L6866-L6871] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7311] static __thread int tl_last_error = 0; [L7648-L7660] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8771-L8919] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8922-L8925] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8927-L8936] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8938-L8941] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8943-L8947] static _Bool s_common_library_initialized = 0 ; [L8985] CALL aws_byte_buf_from_c_str_harness() [L8961] CALL, EXPR nondet_bool() VAL [errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L8961] RET, EXPR nondet_bool() VAL [errors={197:0}, nondet_bool()=512, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L8961-L8963] EXPR nondet_bool() ? ((void *)0) : ensure_c_str_is_allocated(10) [L8963] CALL, EXPR ensure_c_str_is_allocated(10) [L6819] CALL, EXPR nondet_uint64_t() VAL [errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L266] return __VERIFIER_nondet_ulong(); [L6819] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=10, errors={197:0}, max_size=10, nondet_uint64_t()=-18446744073709551607, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L6819] size_t cap = nondet_uint64_t(); [L6820] CALL assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(cond)=1, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6820] RET assume_abort_if_not(cap > 0 && cap <= max_size) VAL [\old(max_size)=10, cap=9, errors={197:0}, max_size=10, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L6821] CALL, EXPR bounded_malloc(cap) VAL [\old(size)=9, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L6883-L6885] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6883-L6885] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=9, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list={197:0}, s_list=46, s_tolower_table={196:0}, size=9, tl_last_error=0] [L6886] return malloc(size); [L6821] RET, EXPR bounded_malloc(cap) VAL [\old(max_size)=10, bounded_malloc(cap)={-2:0}, cap=9, errors={197:0}, max_size=10, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L6821] const char *str = bounded_malloc(cap); [L6825] EXPR str[cap - 1] VAL [\old(max_size)=10, cap=9, errors={197:0}, max_size=10, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, str={-2:0}, str[cap - 1]=0, tl_last_error=0] [L6825] CALL assume_abort_if_not(str[cap - 1] == 0) VAL [\old(cond)=1, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6825] RET assume_abort_if_not(str[cap - 1] == 0) VAL [\old(max_size)=10, cap=9, errors={197:0}, max_size=10, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, str={-2:0}, str[cap - 1]=0, tl_last_error=0] [L6826] return str; [L8963] RET, EXPR ensure_c_str_is_allocated(10) [L8961-L8963] EXPR nondet_bool() ? ((void *)0) : ensure_c_str_is_allocated(10) VAL [ensure_c_str_is_allocated(10)={-2:0}, errors={197:0}, nondet_bool()=512, nondet_bool() ? ((void *)0) : ensure_c_str_is_allocated(10)={-2:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L8961-L8963] const char *c_str = nondet_bool() ? ((void *)0) : ensure_c_str_is_allocated(10); [L8966] struct aws_byte_buf buf = aws_byte_buf_from_c_str(c_str); [L8966] CALL aws_byte_buf_from_c_str(c_str) [L8190] struct aws_byte_buf buf; [L8191] EXPR (!c_str) ? 0 : strlen(c_str) [L8191] buf.len = (!c_str) ? 0 : strlen(c_str) [L8192] CALL, EXPR nondet_size_t() VAL [errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L263] return __VERIFIER_nondet_ulong(); [L8192] RET, EXPR nondet_size_t() VAL [buf={258:0}, c_str={-2:0}, c_str={-2:0}, errors={197:0}, nondet_size_t()=18446744073709551616, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L8192] buf.capacity = nondet_size_t() [L8193] EXPR buf.capacity [L8193-L8195] EXPR (buf.capacity == 0) ? ((void *)0) : (uint8_t *)c_str [L8193-L8195] buf.buffer = (buf.capacity == 0) ? ((void *)0) : (uint8_t *)c_str [L8196-L8197] buf.allocator = ((void *)0) VAL [buf={258:0}, c_str={-2:0}, c_str={-2:0}, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list={198:0}, s_common_log_subject_list=2, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L8199] CALL, EXPR aws_byte_buf_is_valid(&buf) VAL [buf={258:0}, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L7377-L7380] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7377] EXPR buf->capacity [L7377] EXPR buf->capacity == 0 && buf->len == 0 [L7377] EXPR buf->len [L7377] EXPR buf->capacity == 0 && buf->len == 0 [L7377-L7378] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7377-L7380] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7380] EXPR buf->capacity [L7380] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7380] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7377-L7380] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7377-L7380] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7377-L7380] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8199] RET, EXPR aws_byte_buf_is_valid(&buf) VAL [aws_byte_buf_is_valid(&buf)=0, buf={258:0}, c_str={-2:0}, c_str={-2:0}, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L8199] CALL __VERIFIER_assert((aws_byte_buf_is_valid(&buf))) VAL [\old(cond)=0, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list=46, s_list={197:0}, s_tolower_table={196:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={197:0}, s_can_fail_allocator_static={195:0}, s_common_library_initialized=0, s_common_log_subject_infos={198:0}, s_common_log_subject_list=2, s_common_log_subject_list={198:0}, s_list={197:0}, s_list=46, s_tolower_table={196:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 1220 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1180 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 676 IncrementalHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 189 mSDtfsCounter, 676 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 14/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 23:35:43,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:35:46,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:35:46,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:35:46,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:35:46,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:35:46,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:35:46,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:35:46,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:35:46,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:35:46,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:35:46,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:35:46,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:35:46,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:35:46,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:35:46,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:35:46,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:35:46,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:35:46,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:35:46,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:35:46,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:35:46,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:35:46,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:35:46,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:35:46,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:35:46,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:35:46,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:35:46,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:35:46,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:35:46,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:35:46,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:35:46,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:35:46,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:35:46,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:35:46,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:35:46,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:35:46,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:35:46,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:35:46,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:35:46,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:35:46,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:35:46,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:35:46,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-20 23:35:46,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:35:46,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:35:46,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:35:46,609 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:35:46,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:35:46,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:35:46,611 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:35:46,611 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:35:46,611 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:35:46,612 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:35:46,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:35:46,613 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:35:46,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:35:46,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:35:46,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:35:46,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:35:46,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:35:46,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:35:46,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:35:46,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:35:46,617 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:35:46,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:35:46,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:35:46,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:35:46,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:35:46,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:46,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:35:46,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:35:46,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:35:46,619 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:35:46,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:35:46,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:35:46,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:35:46,621 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:35:46,621 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e02581adbae65f3c76984e6696604355ca8e8f10cecf21271078f0821410f3 [2021-11-20 23:35:47,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:35:47,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:35:47,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:35:47,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:35:47,090 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:35:47,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:47,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/175358676/5f957ae3dd6e4b39a010cc1976d42ec6/FLAG197bd68bc [2021-11-20 23:35:48,318 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:35:48,319 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:48,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/175358676/5f957ae3dd6e4b39a010cc1976d42ec6/FLAG197bd68bc [2021-11-20 23:35:48,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/data/175358676/5f957ae3dd6e4b39a010cc1976d42ec6 [2021-11-20 23:35:48,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:35:48,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:35:48,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:48,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:35:48,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:35:48,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:48" (1/1) ... [2021-11-20 23:35:48,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea5c7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:48, skipping insertion in model container [2021-11-20 23:35:48,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:35:48" (1/1) ... [2021-11-20 23:35:48,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:35:48,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:35:49,243 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-20 23:35:49,251 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-20 23:35:50,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,894 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,895 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,896 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,897 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,912 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,913 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,915 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:50,915 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:51,504 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:35:51,506 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:35:51,507 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:35:51,509 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:35:51,511 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:35:51,527 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:35:51,536 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:35:51,538 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:35:51,539 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:35:51,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:35:51,735 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:35:51,866 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:51,867 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:51,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:52,100 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:35:52,131 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4497,4510] [2021-11-20 23:35:52,133 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_8157baab-3ec5-4873-9bb7-f5a102c33892/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_c_str_harness-1.i[4557,4570] [2021-11-20 23:35:52,205 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,206 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,210 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,231 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,240 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,242 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,314 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:35:52,315 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:35:52,316 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:35:52,317 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:35:52,318 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:35:52,323 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:35:52,323 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:35:52,324 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:35:52,324 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:35:52,325 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:35:52,371 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:35:52,508 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,508 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:35:52,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:35:52,922 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:35:52,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52 WrapperNode [2021-11-20 23:35:52,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:35:52,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:52,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:35:52,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:35:52,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,261 INFO L137 Inliner]: procedures = 710, calls = 2622, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 833 [2021-11-20 23:35:53,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:35:53,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:35:53,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:35:53,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:35:53,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:35:53,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:35:53,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:35:53,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:35:53,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (1/1) ... [2021-11-20 23:35:53,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:35:53,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:35:53,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:35:53,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:35:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-20 23:35:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-20 23:35:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:35:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 23:35:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 23:35:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 23:35:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 23:35:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 23:35:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:35:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:35:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:35:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:35:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:35:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:35:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:35:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 23:35:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 23:35:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 23:35:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 23:35:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-11-20 23:35:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-11-20 23:35:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:35:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:35:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:35:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:35:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-20 23:35:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:35:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-20 23:35:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-20 23:35:53,804 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:35:53,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:35:55,498 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:35:55,505 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:35:55,505 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:35:55,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:55 BoogieIcfgContainer [2021-11-20 23:35:55,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:35:55,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:35:55,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:35:55,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:35:55,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:35:48" (1/3) ... [2021-11-20 23:35:55,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d0638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:55, skipping insertion in model container [2021-11-20 23:35:55,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:35:52" (2/3) ... [2021-11-20 23:35:55,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d0638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:35:55, skipping insertion in model container [2021-11-20 23:35:55,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:35:55" (3/3) ... [2021-11-20 23:35:55,516 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_c_str_harness-1.i [2021-11-20 23:35:55,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:35:55,521 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:35:55,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:35:55,596 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 [2021-11-20 23:35:55,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:35:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 67 states have internal predecessors, (82), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2021-11-20 23:35:55,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:35:55,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:55,633 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:35:55,633 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:55,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:55,641 INFO L85 PathProgramCache]: Analyzing trace with hash 148231849, now seen corresponding path program 1 times [2021-11-20 23:35:55,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:35:55,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729931791] [2021-11-20 23:35:55,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:55,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:35:55,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:35:55,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:35:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 23:35:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:56,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:35:56,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:56,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:56,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:56,967 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:35:56,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729931791] [2021-11-20 23:35:56,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729931791] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:56,973 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:56,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-20 23:35:56,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764620754] [2021-11-20 23:35:56,977 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:56,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:35:56,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:35:57,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:35:57,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:57,035 INFO L87 Difference]: Start difference. First operand has 96 states, 66 states have (on average 1.2424242424242424) internal successors, (82), 67 states have internal predecessors, (82), 21 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:57,223 INFO L93 Difference]: Finished difference Result 185 states and 254 transitions. [2021-11-20 23:35:57,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:35:57,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2021-11-20 23:35:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:57,238 INFO L225 Difference]: With dead ends: 185 [2021-11-20 23:35:57,238 INFO L226 Difference]: Without dead ends: 91 [2021-11-20 23:35:57,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:35:57,248 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 23 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:57,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 332 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:57,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-11-20 23:35:57,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-11-20 23:35:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 64 states have internal predecessors, (74), 21 states have call successors, (21), 7 states have call predecessors, (21), 8 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2021-11-20 23:35:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 115 transitions. [2021-11-20 23:35:57,300 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 115 transitions. Word has length 27 [2021-11-20 23:35:57,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:57,300 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 115 transitions. [2021-11-20 23:35:57,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 23:35:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 115 transitions. [2021-11-20 23:35:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 23:35:57,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:57,304 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:35:57,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-20 23:35:57,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:35:57,528 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:57,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:57,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1541046196, now seen corresponding path program 1 times [2021-11-20 23:35:57,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:35:57,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251606727] [2021-11-20 23:35:57,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:57,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:35:57,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:35:57,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:35:57,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 23:35:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:58,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:35:58,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:58,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:35:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:58,508 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:35:58,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251606727] [2021-11-20 23:35:58,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251606727] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:35:58,509 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:35:58,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2021-11-20 23:35:58,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668814679] [2021-11-20 23:35:58,510 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:35:58,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:35:58,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:35:58,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:35:58,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-11-20 23:35:58,513 INFO L87 Difference]: Start difference. First operand 91 states and 115 transitions. Second operand has 12 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 23:35:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:35:58,683 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-11-20 23:35:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:35:58,684 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2021-11-20 23:35:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:35:58,686 INFO L225 Difference]: With dead ends: 103 [2021-11-20 23:35:58,686 INFO L226 Difference]: Without dead ends: 101 [2021-11-20 23:35:58,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:35:58,688 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 28 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:35:58,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 955 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:35:58,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-11-20 23:35:58,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2021-11-20 23:35:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 71 states have internal predecessors, (80), 22 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (23), 20 states have call predecessors, (23), 20 states have call successors, (23) [2021-11-20 23:35:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2021-11-20 23:35:58,708 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 125 transitions. Word has length 33 [2021-11-20 23:35:58,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:35:58,708 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 125 transitions. [2021-11-20 23:35:58,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 3.0) internal successors, (30), 8 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 23:35:58,709 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 125 transitions. [2021-11-20 23:35:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:35:58,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:35:58,711 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:35:58,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:35:58,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:35:58,937 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:35:58,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:35:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -42126596, now seen corresponding path program 1 times [2021-11-20 23:35:58,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:35:58,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1604969343] [2021-11-20 23:35:58,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:35:58,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:35:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:35:58,943 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:35:58,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 23:35:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:35:59,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:35:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:35:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:35:59,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:00,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:00,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1604969343] [2021-11-20 23:36:00,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1604969343] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:00,202 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:00,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:36:00,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958938636] [2021-11-20 23:36:00,203 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:00,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:36:00,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:00,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:36:00,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:36:00,205 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:36:00,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:00,832 INFO L93 Difference]: Finished difference Result 182 states and 232 transitions. [2021-11-20 23:36:00,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:36:00,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2021-11-20 23:36:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:00,842 INFO L225 Difference]: With dead ends: 182 [2021-11-20 23:36:00,842 INFO L226 Difference]: Without dead ends: 118 [2021-11-20 23:36:00,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:36:00,844 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 74 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:00,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 400 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 31 Unchecked, 0.5s Time] [2021-11-20 23:36:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-20 23:36:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 105. [2021-11-20 23:36:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 76 states have internal predecessors, (87), 22 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (23), 20 states have call predecessors, (23), 20 states have call successors, (23) [2021-11-20 23:36:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 132 transitions. [2021-11-20 23:36:00,869 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 132 transitions. Word has length 37 [2021-11-20 23:36:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:00,870 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 132 transitions. [2021-11-20 23:36:00,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:36:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2021-11-20 23:36:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:00,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:00,883 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:00,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:01,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:01,104 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:01,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:01,104 INFO L85 PathProgramCache]: Analyzing trace with hash 216038842, now seen corresponding path program 1 times [2021-11-20 23:36:01,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:01,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393531152] [2021-11-20 23:36:01,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:01,106 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:01,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 23:36:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:04,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:36:04,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:36:04,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:04,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:36:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:06,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:07,314 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 19 treesize of output 17 [2021-11-20 23:36:07,334 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 19 treesize of output 17 [2021-11-20 23:36:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:07,411 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:07,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393531152] [2021-11-20 23:36:07,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393531152] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:07,411 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:07,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 8] imperfect sequences [] total 16 [2021-11-20 23:36:07,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849332767] [2021-11-20 23:36:07,412 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:07,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 23:36:07,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 23:36:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-20 23:36:07,414 INFO L87 Difference]: Start difference. First operand 105 states and 132 transitions. Second operand has 16 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:07,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:07,953 INFO L93 Difference]: Finished difference Result 231 states and 297 transitions. [2021-11-20 23:36:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 23:36:07,956 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2021-11-20 23:36:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:07,959 INFO L225 Difference]: With dead ends: 231 [2021-11-20 23:36:07,959 INFO L226 Difference]: Without dead ends: 153 [2021-11-20 23:36:07,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-20 23:36:07,962 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 81 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:07,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 979 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 75 Unchecked, 0.5s Time] [2021-11-20 23:36:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-20 23:36:08,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2021-11-20 23:36:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 113 states have (on average 1.247787610619469) internal successors, (141), 120 states have internal predecessors, (141), 23 states have call successors, (23), 9 states have call predecessors, (23), 13 states have return successors, (30), 20 states have call predecessors, (30), 21 states have call successors, (30) [2021-11-20 23:36:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 194 transitions. [2021-11-20 23:36:08,005 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 194 transitions. Word has length 37 [2021-11-20 23:36:08,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:08,006 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 194 transitions. [2021-11-20 23:36:08,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 15 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2021-11-20 23:36:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:08,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:08,009 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:08,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:08,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:08,223 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:08,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1063824836, now seen corresponding path program 1 times [2021-11-20 23:36:08,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:08,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855168126] [2021-11-20 23:36:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:08,226 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:08,227 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:08,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 23:36:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:13,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1196 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 23:36:13,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:13,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:13,774 INFO L354 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2021-11-20 23:36:13,775 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 28 treesize of output 31 [2021-11-20 23:36:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:14,033 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:14,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:36:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:18,267 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:18,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 62 [2021-11-20 23:36:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:23,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:24,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:24,757 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:24,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855168126] [2021-11-20 23:36:24,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855168126] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:24,757 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:24,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 8] imperfect sequences [] total 19 [2021-11-20 23:36:24,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308812029] [2021-11-20 23:36:24,758 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:24,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-20 23:36:24,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:24,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 23:36:24,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=265, Unknown=3, NotChecked=0, Total=342 [2021-11-20 23:36:24,759 INFO L87 Difference]: Start difference. First operand 150 states and 194 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-20 23:36:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:25,586 INFO L93 Difference]: Finished difference Result 355 states and 472 transitions. [2021-11-20 23:36:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-20 23:36:25,588 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 37 [2021-11-20 23:36:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:25,591 INFO L225 Difference]: With dead ends: 355 [2021-11-20 23:36:25,592 INFO L226 Difference]: Without dead ends: 237 [2021-11-20 23:36:25,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=74, Invalid=265, Unknown=3, NotChecked=0, Total=342 [2021-11-20 23:36:25,595 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 165 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 375 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:25,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 1281 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 375 Unchecked, 0.8s Time] [2021-11-20 23:36:25,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2021-11-20 23:36:25,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 230. [2021-11-20 23:36:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 179 states have (on average 1.23463687150838) internal successors, (221), 195 states have internal predecessors, (221), 29 states have call successors, (29), 12 states have call predecessors, (29), 21 states have return successors, (59), 22 states have call predecessors, (59), 27 states have call successors, (59) [2021-11-20 23:36:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 309 transitions. [2021-11-20 23:36:25,632 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 309 transitions. Word has length 37 [2021-11-20 23:36:25,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:25,633 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 309 transitions. [2021-11-20 23:36:25,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 18 states have internal predecessors, (57), 6 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2021-11-20 23:36:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 309 transitions. [2021-11-20 23:36:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:25,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:25,638 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:25,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:25,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:25,859 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:25,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:25,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1384629120, now seen corresponding path program 1 times [2021-11-20 23:36:25,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:25,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342012098] [2021-11-20 23:36:25,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:25,861 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:25,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 23:36:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:29,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:36:29,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:29,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:36:29,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:29,576 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:29,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 33 [2021-11-20 23:36:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:30,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:30,981 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:30,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342012098] [2021-11-20 23:36:30,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342012098] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:30,982 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:30,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 14 [2021-11-20 23:36:30,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282396702] [2021-11-20 23:36:30,982 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:30,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 23:36:30,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:30,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 23:36:30,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:36:30,984 INFO L87 Difference]: Start difference. First operand 230 states and 309 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:31,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:31,767 INFO L93 Difference]: Finished difference Result 399 states and 522 transitions. [2021-11-20 23:36:31,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 23:36:31,769 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2021-11-20 23:36:31,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:31,771 INFO L225 Difference]: With dead ends: 399 [2021-11-20 23:36:31,771 INFO L226 Difference]: Without dead ends: 235 [2021-11-20 23:36:31,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-20 23:36:31,773 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 72 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 131 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:31,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 866 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 131 Unchecked, 0.7s Time] [2021-11-20 23:36:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-11-20 23:36:31,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 215. [2021-11-20 23:36:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 165 states have (on average 1.206060606060606) internal successors, (199), 180 states have internal predecessors, (199), 29 states have call successors, (29), 12 states have call predecessors, (29), 20 states have return successors, (57), 22 states have call predecessors, (57), 27 states have call successors, (57) [2021-11-20 23:36:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 285 transitions. [2021-11-20 23:36:31,823 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 285 transitions. Word has length 37 [2021-11-20 23:36:31,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:31,824 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 285 transitions. [2021-11-20 23:36:31,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 13 states have internal predecessors, (50), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 285 transitions. [2021-11-20 23:36:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:31,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:31,831 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:31,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:32,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:32,057 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:32,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:32,057 INFO L85 PathProgramCache]: Analyzing trace with hash 434893560, now seen corresponding path program 1 times [2021-11-20 23:36:32,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:32,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [796548915] [2021-11-20 23:36:32,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:32,059 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:32,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:32,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:32,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-20 23:36:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:36,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-20 23:36:36,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:36,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:36:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:36,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:36:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:38,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:39,019 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 19 treesize of output 17 [2021-11-20 23:36:39,026 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 19 treesize of output 17 [2021-11-20 23:36:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:39,191 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:39,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [796548915] [2021-11-20 23:36:39,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [796548915] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:39,192 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:39,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 18 [2021-11-20 23:36:39,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397630073] [2021-11-20 23:36:39,192 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:39,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 23:36:39,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:39,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 23:36:39,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-11-20 23:36:39,194 INFO L87 Difference]: Start difference. First operand 215 states and 285 transitions. Second operand has 18 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-20 23:36:40,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:40,762 INFO L93 Difference]: Finished difference Result 414 states and 555 transitions. [2021-11-20 23:36:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 23:36:40,763 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 37 [2021-11-20 23:36:40,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:40,765 INFO L225 Difference]: With dead ends: 414 [2021-11-20 23:36:40,766 INFO L226 Difference]: Without dead ends: 264 [2021-11-20 23:36:40,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2021-11-20 23:36:40,767 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 104 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:40,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 1357 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 247 Invalid, 0 Unknown, 99 Unchecked, 1.2s Time] [2021-11-20 23:36:40,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-11-20 23:36:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 216. [2021-11-20 23:36:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 181 states have internal predecessors, (201), 29 states have call successors, (29), 12 states have call predecessors, (29), 20 states have return successors, (55), 22 states have call predecessors, (55), 27 states have call successors, (55) [2021-11-20 23:36:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2021-11-20 23:36:40,793 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 37 [2021-11-20 23:36:40,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:40,793 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2021-11-20 23:36:40,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.125) internal successors, (50), 17 states have internal predecessors, (50), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-20 23:36:40,794 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2021-11-20 23:36:40,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:40,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:40,795 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:40,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:41,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:41,020 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:41,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:41,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1603483838, now seen corresponding path program 1 times [2021-11-20 23:36:41,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:41,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000670916] [2021-11-20 23:36:41,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:41,022 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:41,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:41,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:41,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-20 23:36:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:45,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:36:45,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:45,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:36:45,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:36:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:45,526 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:45,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:36:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:49,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 72 [2021-11-20 23:36:49,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:36:49,703 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:36:49,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2021-11-20 23:36:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:54,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:55,644 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 23 treesize of output 21 [2021-11-20 23:36:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:55,718 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:55,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000670916] [2021-11-20 23:36:55,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000670916] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:55,718 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:55,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 8] imperfect sequences [] total 18 [2021-11-20 23:36:55,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341969518] [2021-11-20 23:36:55,719 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:55,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-20 23:36:55,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:55,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-20 23:36:55,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=239, Unknown=3, NotChecked=0, Total=306 [2021-11-20 23:36:55,720 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:56,533 INFO L93 Difference]: Finished difference Result 469 states and 584 transitions. [2021-11-20 23:36:56,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-20 23:36:56,534 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 37 [2021-11-20 23:36:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:56,537 INFO L225 Difference]: With dead ends: 469 [2021-11-20 23:36:56,537 INFO L226 Difference]: Without dead ends: 328 [2021-11-20 23:36:56,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=79, Invalid=298, Unknown=3, NotChecked=0, Total=380 [2021-11-20 23:36:56,539 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 101 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 204 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:56,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1076 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 204 Unchecked, 0.6s Time] [2021-11-20 23:36:56,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2021-11-20 23:36:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 243. [2021-11-20 23:36:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 191 states have (on average 1.2146596858638743) internal successors, (232), 206 states have internal predecessors, (232), 29 states have call successors, (29), 14 states have call predecessors, (29), 22 states have return successors, (51), 22 states have call predecessors, (51), 27 states have call successors, (51) [2021-11-20 23:36:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 312 transitions. [2021-11-20 23:36:56,562 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 312 transitions. Word has length 37 [2021-11-20 23:36:56,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:56,563 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 312 transitions. [2021-11-20 23:36:56,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 17 states have internal predecessors, (52), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:36:56,563 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 312 transitions. [2021-11-20 23:36:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 23:36:56,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:56,564 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:56,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:56,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:56,788 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:56,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:56,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1861649276, now seen corresponding path program 1 times [2021-11-20 23:36:56,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:56,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953818114] [2021-11-20 23:36:56,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:56,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:56,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:56,791 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:56,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-20 23:36:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:57,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 23:36:57,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:57,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:57,810 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:57,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953818114] [2021-11-20 23:36:57,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953818114] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:57,811 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:57,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-20 23:36:57,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523971244] [2021-11-20 23:36:57,811 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:57,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 23:36:57,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:57,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 23:36:57,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:36:57,812 INFO L87 Difference]: Start difference. First operand 243 states and 312 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:36:58,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:36:58,320 INFO L93 Difference]: Finished difference Result 382 states and 486 transitions. [2021-11-20 23:36:58,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:36:58,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2021-11-20 23:36:58,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:36:58,324 INFO L225 Difference]: With dead ends: 382 [2021-11-20 23:36:58,324 INFO L226 Difference]: Without dead ends: 258 [2021-11-20 23:36:58,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:36:58,325 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 44 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:36:58,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 420 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 30 Unchecked, 0.4s Time] [2021-11-20 23:36:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-11-20 23:36:58,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 236. [2021-11-20 23:36:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 184 states have (on average 1.1793478260869565) internal successors, (217), 199 states have internal predecessors, (217), 29 states have call successors, (29), 14 states have call predecessors, (29), 22 states have return successors, (51), 22 states have call predecessors, (51), 27 states have call successors, (51) [2021-11-20 23:36:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 297 transitions. [2021-11-20 23:36:58,344 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 297 transitions. Word has length 37 [2021-11-20 23:36:58,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:36:58,345 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 297 transitions. [2021-11-20 23:36:58,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:36:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 297 transitions. [2021-11-20 23:36:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 23:36:58,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:36:58,346 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:36:58,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-20 23:36:58,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:36:58,567 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:36:58,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:36:58,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1609661759, now seen corresponding path program 1 times [2021-11-20 23:36:58,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:36:58,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910082474] [2021-11-20 23:36:58,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:36:58,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:36:58,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:36:58,589 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:36:58,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-20 23:36:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:36:59,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:36:59,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:36:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:59,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:36:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:36:59,730 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:36:59,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910082474] [2021-11-20 23:36:59,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910082474] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:36:59,730 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:36:59,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-20 23:36:59,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627019242] [2021-11-20 23:36:59,730 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:36:59,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:36:59,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:36:59,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:36:59,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:36:59,732 INFO L87 Difference]: Start difference. First operand 236 states and 297 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:37:00,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:00,232 INFO L93 Difference]: Finished difference Result 330 states and 419 transitions. [2021-11-20 23:37:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:37:00,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2021-11-20 23:37:00,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:00,235 INFO L225 Difference]: With dead ends: 330 [2021-11-20 23:37:00,235 INFO L226 Difference]: Without dead ends: 232 [2021-11-20 23:37:00,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-20 23:37:00,237 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 66 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:00,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 487 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 33 Unchecked, 0.4s Time] [2021-11-20 23:37:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-20 23:37:00,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 223. [2021-11-20 23:37:00,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 172 states have (on average 1.1627906976744187) internal successors, (200), 186 states have internal predecessors, (200), 29 states have call successors, (29), 14 states have call predecessors, (29), 21 states have return successors, (44), 22 states have call predecessors, (44), 27 states have call successors, (44) [2021-11-20 23:37:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 273 transitions. [2021-11-20 23:37:00,253 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 273 transitions. Word has length 39 [2021-11-20 23:37:00,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:00,253 INFO L470 AbstractCegarLoop]: Abstraction has 223 states and 273 transitions. [2021-11-20 23:37:00,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:37:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 273 transitions. [2021-11-20 23:37:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 23:37:00,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:00,255 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:37:00,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:00,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:00,460 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:00,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1873465539, now seen corresponding path program 1 times [2021-11-20 23:37:00,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:00,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629704839] [2021-11-20 23:37:00,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:00,461 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:00,462 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:00,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-20 23:37:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:00,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:37:00,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:01,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:01,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:01,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629704839] [2021-11-20 23:37:01,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629704839] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:01,139 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:01,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-20 23:37:01,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339448781] [2021-11-20 23:37:01,139 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:01,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:37:01,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:37:01,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:37:01,140 INFO L87 Difference]: Start difference. First operand 223 states and 273 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:37:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:01,182 INFO L93 Difference]: Finished difference Result 318 states and 390 transitions. [2021-11-20 23:37:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:37:01,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2021-11-20 23:37:01,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:01,185 INFO L225 Difference]: With dead ends: 318 [2021-11-20 23:37:01,185 INFO L226 Difference]: Without dead ends: 212 [2021-11-20 23:37:01,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:01,186 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 34 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:01,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 328 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:37:01,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-20 23:37:01,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2021-11-20 23:37:01,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 158 states have (on average 1.1518987341772151) internal successors, (182), 170 states have internal predecessors, (182), 29 states have call successors, (29), 14 states have call predecessors, (29), 19 states have return successors, (40), 22 states have call predecessors, (40), 27 states have call successors, (40) [2021-11-20 23:37:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 251 transitions. [2021-11-20 23:37:01,201 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 251 transitions. Word has length 39 [2021-11-20 23:37:01,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:01,201 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 251 transitions. [2021-11-20 23:37:01,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 23:37:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 251 transitions. [2021-11-20 23:37:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 23:37:01,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:01,203 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:37:01,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:01,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:01,427 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:01,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -415946941, now seen corresponding path program 1 times [2021-11-20 23:37:01,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:01,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722514959] [2021-11-20 23:37:01,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:01,430 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:01,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:01,430 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:01,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-20 23:37:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:01,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 23:37:01,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:02,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:02,215 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:02,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722514959] [2021-11-20 23:37:02,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722514959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:02,215 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:02,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 14 [2021-11-20 23:37:02,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426079860] [2021-11-20 23:37:02,216 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:02,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-20 23:37:02,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:02,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-20 23:37:02,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-20 23:37:02,217 INFO L87 Difference]: Start difference. First operand 207 states and 251 transitions. Second operand has 14 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 23:37:02,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:02,404 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2021-11-20 23:37:02,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 23:37:02,404 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2021-11-20 23:37:02,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:02,406 INFO L225 Difference]: With dead ends: 233 [2021-11-20 23:37:02,406 INFO L226 Difference]: Without dead ends: 231 [2021-11-20 23:37:02,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-11-20 23:37:02,408 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 31 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:02,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 1135 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:37:02,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-20 23:37:02,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2021-11-20 23:37:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 164 states have (on average 1.146341463414634) internal successors, (188), 176 states have internal predecessors, (188), 29 states have call successors, (29), 14 states have call predecessors, (29), 19 states have return successors, (40), 22 states have call predecessors, (40), 27 states have call successors, (40) [2021-11-20 23:37:02,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 257 transitions. [2021-11-20 23:37:02,422 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 257 transitions. Word has length 39 [2021-11-20 23:37:02,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:02,423 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 257 transitions. [2021-11-20 23:37:02,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.0) internal successors, (36), 10 states have internal predecessors, (36), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-20 23:37:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 257 transitions. [2021-11-20 23:37:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-20 23:37:02,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:02,424 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:37:02,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:02,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:02,648 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:02,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash 285117637, now seen corresponding path program 1 times [2021-11-20 23:37:02,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:02,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [408023308] [2021-11-20 23:37:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:02,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:02,650 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:02,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-20 23:37:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:07,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-20 23:37:07,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:07,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:37:07,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:07,812 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:07,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:37:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,936 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:11,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 72 [2021-11-20 23:37:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:11,956 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:11,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 53 [2021-11-20 23:37:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:16,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:17,633 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 23 treesize of output 21 [2021-11-20 23:37:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:17,708 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:17,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [408023308] [2021-11-20 23:37:17,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [408023308] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:17,709 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:17,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 7] imperfect sequences [] total 16 [2021-11-20 23:37:17,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536142478] [2021-11-20 23:37:17,709 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:17,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 23:37:17,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:17,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 23:37:17,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=184, Unknown=3, NotChecked=0, Total=240 [2021-11-20 23:37:17,710 INFO L87 Difference]: Start difference. First operand 213 states and 257 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:37:18,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:18,226 INFO L93 Difference]: Finished difference Result 325 states and 389 transitions. [2021-11-20 23:37:18,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 23:37:18,227 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 39 [2021-11-20 23:37:18,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:18,229 INFO L225 Difference]: With dead ends: 325 [2021-11-20 23:37:18,229 INFO L226 Difference]: Without dead ends: 226 [2021-11-20 23:37:18,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=53, Invalid=184, Unknown=3, NotChecked=0, Total=240 [2021-11-20 23:37:18,230 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 57 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:18,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 1104 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 66 Unchecked, 0.5s Time] [2021-11-20 23:37:18,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-20 23:37:18,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 201. [2021-11-20 23:37:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 154 states have (on average 1.1428571428571428) internal successors, (176), 164 states have internal predecessors, (176), 29 states have call successors, (29), 14 states have call predecessors, (29), 17 states have return successors, (38), 22 states have call predecessors, (38), 27 states have call successors, (38) [2021-11-20 23:37:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 243 transitions. [2021-11-20 23:37:18,245 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 243 transitions. Word has length 39 [2021-11-20 23:37:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:18,245 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 243 transitions. [2021-11-20 23:37:18,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 15 states have internal predecessors, (56), 5 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:37:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 243 transitions. [2021-11-20 23:37:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-20 23:37:18,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:18,247 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 23:37:18,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:18,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:18,464 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:18,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1305672390, now seen corresponding path program 1 times [2021-11-20 23:37:18,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:18,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956705140] [2021-11-20 23:37:18,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:18,465 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:18,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:18,466 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-20 23:37:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:19,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:37:19,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:37:19,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:19,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:37:19,330 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:19,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956705140] [2021-11-20 23:37:19,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956705140] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:19,330 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:37:19,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-20 23:37:19,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582662231] [2021-11-20 23:37:19,330 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:19,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:37:19,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:19,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:37:19,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:19,331 INFO L87 Difference]: Start difference. First operand 201 states and 243 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 23:37:19,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:19,446 INFO L93 Difference]: Finished difference Result 237 states and 287 transitions. [2021-11-20 23:37:19,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:37:19,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2021-11-20 23:37:19,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:19,450 INFO L225 Difference]: With dead ends: 237 [2021-11-20 23:37:19,450 INFO L226 Difference]: Without dead ends: 198 [2021-11-20 23:37:19,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:37:19,451 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 37 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:19,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 357 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:37:19,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-20 23:37:19,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-20 23:37:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 152 states have (on average 1.138157894736842) internal successors, (173), 161 states have internal predecessors, (173), 29 states have call successors, (29), 14 states have call predecessors, (29), 16 states have return successors, (37), 22 states have call predecessors, (37), 27 states have call successors, (37) [2021-11-20 23:37:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 239 transitions. [2021-11-20 23:37:19,465 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 239 transitions. Word has length 46 [2021-11-20 23:37:19,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:19,465 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 239 transitions. [2021-11-20 23:37:19,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 23:37:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2021-11-20 23:37:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-20 23:37:19,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:19,467 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:37:19,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:19,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:19,692 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:19,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:19,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1736417915, now seen corresponding path program 1 times [2021-11-20 23:37:19,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:19,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128684749] [2021-11-20 23:37:19,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:19,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:19,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:19,695 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:19,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-20 23:37:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:20,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-20 23:37:20,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:22,828 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:37:22,828 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 67 [2021-11-20 23:37:22,834 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:37:22,834 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2021-11-20 23:37:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:23,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:25,907 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-20 23:37:25,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 1 [2021-11-20 23:37:28,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:28,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2021-11-20 23:37:28,503 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-20 23:37:28,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-11-20 23:37:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:37:28,588 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:28,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128684749] [2021-11-20 23:37:28,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128684749] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:37:28,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [957084771] [2021-11-20 23:37:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:28,589 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:37:28,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:37:28,601 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:37:28,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-11-20 23:37:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:33,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-20 23:37:33,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:33,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-20 23:37:33,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:33,689 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-20 23:37:33,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [957084771] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:33,690 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:37:33,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [19, 17] total 36 [2021-11-20 23:37:33,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906955666] [2021-11-20 23:37:33,691 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:33,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 23:37:33,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:33,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 23:37:33,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 23:37:33,693 INFO L87 Difference]: Start difference. First operand 198 states and 239 transitions. Second operand has 12 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 23:37:33,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:33,962 INFO L93 Difference]: Finished difference Result 218 states and 260 transitions. [2021-11-20 23:37:33,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:37:33,962 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 52 [2021-11-20 23:37:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:33,964 INFO L225 Difference]: With dead ends: 218 [2021-11-20 23:37:33,965 INFO L226 Difference]: Without dead ends: 216 [2021-11-20 23:37:33,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 167 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2021-11-20 23:37:33,966 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 23 mSDsluCounter, 1040 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:33,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1150 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 23:37:33,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-20 23:37:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 207. [2021-11-20 23:37:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 158 states have (on average 1.1329113924050633) internal successors, (179), 168 states have internal predecessors, (179), 30 states have call successors, (30), 15 states have call predecessors, (30), 18 states have return successors, (40), 23 states have call predecessors, (40), 28 states have call successors, (40) [2021-11-20 23:37:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 249 transitions. [2021-11-20 23:37:33,988 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 249 transitions. Word has length 52 [2021-11-20 23:37:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:33,989 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 249 transitions. [2021-11-20 23:37:33,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-11-20 23:37:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 249 transitions. [2021-11-20 23:37:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:37:33,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:33,992 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:37:34,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:34,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:34,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:34,401 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:34,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:34,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1267414261, now seen corresponding path program 1 times [2021-11-20 23:37:34,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:34,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1678025729] [2021-11-20 23:37:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:34,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:34,404 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-20 23:37:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:35,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 23:37:35,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:37,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:39,361 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-20 23:37:39,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 1 [2021-11-20 23:37:41,984 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:41,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2021-11-20 23:37:42,007 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-20 23:37:42,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-11-20 23:37:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:37:42,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:37:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1678025729] [2021-11-20 23:37:42,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1678025729] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:37:42,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [536044629] [2021-11-20 23:37:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:42,081 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:37:42,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:37:42,088 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:37:42,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-20 23:37:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:45,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-20 23:37:45,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:46,065 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 23:37:46,065 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:37:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:37:46,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:37:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:51,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:51,894 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:51,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 321 treesize of output 317 [2021-11-20 23:37:51,926 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:37:51,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 728 treesize of output 712 [2021-11-20 23:37:51,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:52,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:52,201 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 129 treesize of output 121 [2021-11-20 23:37:53,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:53,701 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 8 treesize of output 4 [2021-11-20 23:37:53,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:37:53,718 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 8 treesize of output 4 [2021-11-20 23:37:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:37:53,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [536044629] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:37:53,876 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:37:53,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [15, 13] total 36 [2021-11-20 23:37:53,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316910483] [2021-11-20 23:37:53,877 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:37:53,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-20 23:37:53,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:37:53,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-20 23:37:53,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1110, Unknown=0, NotChecked=0, Total=1260 [2021-11-20 23:37:53,879 INFO L87 Difference]: Start difference. First operand 207 states and 249 transitions. Second operand has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 23:37:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:37:55,769 INFO L93 Difference]: Finished difference Result 325 states and 403 transitions. [2021-11-20 23:37:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-20 23:37:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 56 [2021-11-20 23:37:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:37:55,772 INFO L225 Difference]: With dead ends: 325 [2021-11-20 23:37:55,773 INFO L226 Difference]: Without dead ends: 281 [2021-11-20 23:37:55,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 181 SyntacticMatches, 6 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=198, Invalid=1524, Unknown=0, NotChecked=0, Total=1722 [2021-11-20 23:37:55,775 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 82 mSDsluCounter, 1664 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1811 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 391 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:37:55,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 1811 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 391 Unchecked, 0.8s Time] [2021-11-20 23:37:55,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-20 23:37:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 247. [2021-11-20 23:37:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 190 states have (on average 1.131578947368421) internal successors, (215), 202 states have internal predecessors, (215), 34 states have call successors, (34), 17 states have call predecessors, (34), 22 states have return successors, (54), 27 states have call predecessors, (54), 32 states have call successors, (54) [2021-11-20 23:37:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 303 transitions. [2021-11-20 23:37:55,794 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 303 transitions. Word has length 56 [2021-11-20 23:37:55,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:37:55,794 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 303 transitions. [2021-11-20 23:37:55,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.2105263157894735) internal successors, (80), 20 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 23:37:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 303 transitions. [2021-11-20 23:37:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:37:55,796 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:37:55,797 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2021-11-20 23:37:55,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:56,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-20 23:37:56,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:37:56,218 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:37:56,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:37:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1747689357, now seen corresponding path program 1 times [2021-11-20 23:37:56,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:37:56,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1488165409] [2021-11-20 23:37:56,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:37:56,220 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:37:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:37:56,221 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:37:56,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-20 23:37:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:37:56,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 23:37:56,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:37:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:37:58,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:37:59,649 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 23:37:59,649 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 76 treesize of output 1 [2021-11-20 23:38:00,183 INFO L354 Elim1Store]: treesize reduction 39, result has 46.6 percent of original size [2021-11-20 23:38:00,184 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 32 treesize of output 45 [2021-11-20 23:38:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:38:00,640 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:38:00,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1488165409] [2021-11-20 23:38:00,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1488165409] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:38:00,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1724277729] [2021-11-20 23:38:00,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:00,640 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:38:00,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:38:00,641 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:38:00,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-11-20 23:38:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:03,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-20 23:38:03,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:38:03,189 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 [2021-11-20 23:38:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:38:03,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:38:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:38:04,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1724277729] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:38:04,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465970548] [2021-11-20 23:38:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:38:04,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:38:04,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:38:04,672 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:38:04,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-20 23:38:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:38:05,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 23:38:05,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:38:05,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:38:05,787 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-20 23:38:05,787 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 1 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:38:06,600 INFO L354 Elim1Store]: treesize reduction 143, result has 15.9 percent of original size [2021-11-20 23:38:06,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:38:13,110 INFO L354 Elim1Store]: treesize reduction 340, result has 11.5 percent of original size [2021-11-20 23:38:13,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 65 treesize of output 62 [2021-11-20 23:39:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:39:59,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:40:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:40:00,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465970548] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:40:00,251 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-20 23:40:00,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 15, 13, 19, 13] total 42 [2021-11-20 23:40:00,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316645414] [2021-11-20 23:40:00,251 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-20 23:40:00,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-20 23:40:00,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:40:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-20 23:40:00,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1477, Unknown=32, NotChecked=0, Total=1722 [2021-11-20 23:40:00,254 INFO L87 Difference]: Start difference. First operand 247 states and 303 transitions. Second operand has 42 states, 39 states have (on average 2.8974358974358974) internal successors, (113), 39 states have internal predecessors, (113), 10 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) [2021-11-20 23:40:18,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:40:18,056 INFO L93 Difference]: Finished difference Result 458 states and 569 transitions. [2021-11-20 23:40:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-20 23:40:18,058 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 39 states have (on average 2.8974358974358974) internal successors, (113), 39 states have internal predecessors, (113), 10 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) Word has length 56 [2021-11-20 23:40:18,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:40:18,061 INFO L225 Difference]: With dead ends: 458 [2021-11-20 23:40:18,061 INFO L226 Difference]: Without dead ends: 377 [2021-11-20 23:40:18,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 279 SyntacticMatches, 17 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 129.0s TimeCoverageRelationStatistics Valid=260, Invalid=1960, Unknown=36, NotChecked=0, Total=2256 [2021-11-20 23:40:18,064 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 181 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1941 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 590 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:40:18,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 1941 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 278 Invalid, 0 Unknown, 590 Unchecked, 1.3s Time] [2021-11-20 23:40:18,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-11-20 23:40:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 340. [2021-11-20 23:40:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 265 states have (on average 1.1283018867924528) internal successors, (299), 278 states have internal predecessors, (299), 42 states have call successors, (42), 26 states have call predecessors, (42), 32 states have return successors, (80), 35 states have call predecessors, (80), 40 states have call successors, (80) [2021-11-20 23:40:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 421 transitions. [2021-11-20 23:40:18,096 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 421 transitions. Word has length 56 [2021-11-20 23:40:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:40:18,097 INFO L470 AbstractCegarLoop]: Abstraction has 340 states and 421 transitions. [2021-11-20 23:40:18,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 39 states have (on average 2.8974358974358974) internal successors, (113), 39 states have internal predecessors, (113), 10 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13) [2021-11-20 23:40:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 421 transitions. [2021-11-20 23:40:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:40:18,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:40:18,099 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-20 23:40:18,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-11-20 23:40:18,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-20 23:40:18,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-20 23:40:18,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:40:18,720 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:40:18,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:40:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash -98823983, now seen corresponding path program 1 times [2021-11-20 23:40:18,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:40:18,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279987012] [2021-11-20 23:40:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:18,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:40:18,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:40:18,724 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:40:18,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-20 23:40:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:19,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:40:19,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:40:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:40:20,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:40:22,394 INFO L354 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-11-20 23:40:22,394 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 86 treesize of output 1 [2021-11-20 23:40:22,865 INFO L354 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2021-11-20 23:40:22,866 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 36 treesize of output 45 [2021-11-20 23:40:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:40:23,360 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:40:23,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279987012] [2021-11-20 23:40:23,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279987012] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:40:23,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1701621422] [2021-11-20 23:40:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:23,361 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:40:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:40:23,362 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:40:23,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2021-11-20 23:40:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:26,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-20 23:40:26,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:40:26,096 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 [2021-11-20 23:40:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:40:29,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:40:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:40:32,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1701621422] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:40:32,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550792183] [2021-11-20 23:40:32,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:40:32,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:40:32,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:40:32,318 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:40:32,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-20 23:40:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:40:33,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-20 23:40:33,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:40:34,017 INFO L354 Elim1Store]: treesize reduction 172, result has 14.0 percent of original size [2021-11-20 23:40:34,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 33 [2021-11-20 23:40:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:40:36,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:14,727 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:41:14,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3180 treesize of output 1 [2021-11-20 23:41:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:41:14,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550792183] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:14,754 INFO L186 FreeRefinementEngine]: Found 2 perfect and 4 imperfect interpolant sequences. [2021-11-20 23:41:14,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [13, 11, 15, 13] total 43 [2021-11-20 23:41:14,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059097364] [2021-11-20 23:41:14,754 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:14,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-20 23:41:14,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:41:14,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-20 23:41:14,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1573, Unknown=10, NotChecked=0, Total=1806 [2021-11-20 23:41:14,757 INFO L87 Difference]: Start difference. First operand 340 states and 421 transitions. Second operand has 20 states, 18 states have (on average 4.444444444444445) internal successors, (80), 19 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 23:41:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:16,728 INFO L93 Difference]: Finished difference Result 413 states and 517 transitions. [2021-11-20 23:41:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 23:41:16,730 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.444444444444445) internal successors, (80), 19 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 56 [2021-11-20 23:41:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:16,733 INFO L225 Difference]: With dead ends: 413 [2021-11-20 23:41:16,733 INFO L226 Difference]: Without dead ends: 348 [2021-11-20 23:41:16,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 278 SyntacticMatches, 11 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 46.8s TimeCoverageRelationStatistics Valid=249, Invalid=1811, Unknown=10, NotChecked=0, Total=2070 [2021-11-20 23:41:16,736 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 80 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 263 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:16,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 967 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 196 Invalid, 0 Unknown, 263 Unchecked, 1.3s Time] [2021-11-20 23:41:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-11-20 23:41:16,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 316. [2021-11-20 23:41:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 244 states have (on average 1.1188524590163935) internal successors, (273), 255 states have internal predecessors, (273), 42 states have call successors, (42), 25 states have call predecessors, (42), 29 states have return successors, (64), 35 states have call predecessors, (64), 40 states have call successors, (64) [2021-11-20 23:41:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 379 transitions. [2021-11-20 23:41:16,770 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 379 transitions. Word has length 56 [2021-11-20 23:41:16,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:16,771 INFO L470 AbstractCegarLoop]: Abstraction has 316 states and 379 transitions. [2021-11-20 23:41:16,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.444444444444445) internal successors, (80), 19 states have internal predecessors, (80), 7 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2021-11-20 23:41:16,771 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 379 transitions. [2021-11-20 23:41:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:41:16,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:16,773 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:41:16,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:17,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:17,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:17,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt [2021-11-20 23:41:17,396 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:17,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:17,396 INFO L85 PathProgramCache]: Analyzing trace with hash -843767539, now seen corresponding path program 1 times [2021-11-20 23:41:17,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:41:17,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018141734] [2021-11-20 23:41:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:17,399 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:41:17,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:41:17,420 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:41:17,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-11-20 23:41:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:18,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-20 23:41:18,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:20,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:22,380 INFO L354 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-11-20 23:41:22,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 1 [2021-11-20 23:41:24,904 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:41:24,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2021-11-20 23:41:24,933 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-20 23:41:24,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-11-20 23:41:25,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:41:25,009 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:41:25,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018141734] [2021-11-20 23:41:25,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018141734] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:25,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [182642974] [2021-11-20 23:41:25,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:25,009 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:41:25,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:41:25,010 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:41:25,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2021-11-20 23:41:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:29,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1245 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-20 23:41:29,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:29,600 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 23:41:29,600 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:41:29,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:29,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:41:36,281 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:36,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:37,197 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:41:37,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 321 treesize of output 317 [2021-11-20 23:41:37,238 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:41:37,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 728 treesize of output 712 [2021-11-20 23:41:37,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:37,503 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:37,511 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 129 treesize of output 121 [2021-11-20 23:41:38,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:41:38,825 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 8 treesize of output 4 [2021-11-20 23:41:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:41:39,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [182642974] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 23:41:39,204 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-20 23:41:39,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 12] imperfect sequences [15, 13] total 38 [2021-11-20 23:41:39,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87058290] [2021-11-20 23:41:39,204 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 23:41:39,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-20 23:41:39,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:41:39,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-20 23:41:39,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1259, Unknown=0, NotChecked=0, Total=1406 [2021-11-20 23:41:39,206 INFO L87 Difference]: Start difference. First operand 316 states and 379 transitions. Second operand has 23 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 8 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 23:41:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:41:42,201 INFO L93 Difference]: Finished difference Result 487 states and 595 transitions. [2021-11-20 23:41:42,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-20 23:41:42,209 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 8 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) Word has length 56 [2021-11-20 23:41:42,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:41:42,212 INFO L225 Difference]: With dead ends: 487 [2021-11-20 23:41:42,213 INFO L226 Difference]: Without dead ends: 443 [2021-11-20 23:41:42,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 179 SyntacticMatches, 6 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=188, Invalid=1792, Unknown=0, NotChecked=0, Total=1980 [2021-11-20 23:41:42,215 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 77 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 354 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:41:42,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 1957 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 353 Invalid, 0 Unknown, 354 Unchecked, 1.6s Time] [2021-11-20 23:41:42,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-11-20 23:41:42,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 396. [2021-11-20 23:41:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 307 states have (on average 1.1140065146579805) internal successors, (342), 321 states have internal predecessors, (342), 50 states have call successors, (50), 31 states have call predecessors, (50), 38 states have return successors, (87), 43 states have call predecessors, (87), 48 states have call successors, (87) [2021-11-20 23:41:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 479 transitions. [2021-11-20 23:41:42,253 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 479 transitions. Word has length 56 [2021-11-20 23:41:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:41:42,253 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 479 transitions. [2021-11-20 23:41:42,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.8095238095238093) internal successors, (80), 22 states have internal predecessors, (80), 8 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 7 states have call successors, (9) [2021-11-20 23:41:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 479 transitions. [2021-11-20 23:41:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:41:42,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:41:42,256 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-20 23:41:42,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:42,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-11-20 23:41:42,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:41:42,679 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:41:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:41:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash 324822739, now seen corresponding path program 1 times [2021-11-20 23:41:42,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:41:42,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586454489] [2021-11-20 23:41:42,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:42,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:41:42,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:41:42,683 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:41:42,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-11-20 23:41:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:43,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:41:43,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:44,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:46,169 INFO L354 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-11-20 23:41:46,169 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 86 treesize of output 1 [2021-11-20 23:41:46,590 INFO L354 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2021-11-20 23:41:46,590 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 36 treesize of output 45 [2021-11-20 23:41:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:41:47,250 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:41:47,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586454489] [2021-11-20 23:41:47,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586454489] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:47,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [676311571] [2021-11-20 23:41:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:47,251 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:41:47,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:41:47,252 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:41:47,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-11-20 23:41:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:50,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-20 23:41:50,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:50,192 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 [2021-11-20 23:41:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:41:53,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:41:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:41:56,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [676311571] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:41:56,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955926152] [2021-11-20 23:41:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:41:56,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:41:56,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:41:56,348 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:41:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-20 23:41:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:41:57,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-20 23:41:57,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:41:57,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:41:57,947 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:41:57,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2021-11-20 23:41:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:41:59,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:42:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:42:00,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955926152] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 23:42:00,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 5 imperfect interpolant sequences. [2021-11-20 23:42:00,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 11, 15, 13, 7] total 46 [2021-11-20 23:42:00,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156676449] [2021-11-20 23:42:00,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:00,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 23:42:00,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:42:00,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 23:42:00,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1852, Unknown=0, NotChecked=0, Total=2070 [2021-11-20 23:42:00,982 INFO L87 Difference]: Start difference. First operand 396 states and 479 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:42:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:01,259 INFO L93 Difference]: Finished difference Result 533 states and 632 transitions. [2021-11-20 23:42:01,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 23:42:01,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2021-11-20 23:42:01,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:01,265 INFO L225 Difference]: With dead ends: 533 [2021-11-20 23:42:01,265 INFO L226 Difference]: Without dead ends: 336 [2021-11-20 23:42:01,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 279 SyntacticMatches, 7 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=226, Invalid=1936, Unknown=0, NotChecked=0, Total=2162 [2021-11-20 23:42:01,268 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:01,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 333 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 42 Unchecked, 0.1s Time] [2021-11-20 23:42:01,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-11-20 23:42:01,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2021-11-20 23:42:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 257 states have (on average 1.1089494163424125) internal successors, (285), 268 states have internal predecessors, (285), 44 states have call successors, (44), 26 states have call predecessors, (44), 30 states have return successors, (64), 37 states have call predecessors, (64), 42 states have call successors, (64) [2021-11-20 23:42:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 393 transitions. [2021-11-20 23:42:01,309 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 393 transitions. Word has length 56 [2021-11-20 23:42:01,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:01,309 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 393 transitions. [2021-11-20 23:42:01,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2021-11-20 23:42:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 393 transitions. [2021-11-20 23:42:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-20 23:42:01,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:01,312 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2021-11-20 23:42:01,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:01,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:01,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:01,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:42:01,932 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:01,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash -467014005, now seen corresponding path program 1 times [2021-11-20 23:42:01,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:42:01,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316804025] [2021-11-20 23:42:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:01,934 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:42:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:42:01,934 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:42:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-11-20 23:42:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:02,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 23:42:02,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:42:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-20 23:42:02,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:42:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 23:42:02,743 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:42:02,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316804025] [2021-11-20 23:42:02,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316804025] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 23:42:02,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:42:02,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2021-11-20 23:42:02,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106857491] [2021-11-20 23:42:02,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:02,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:42:02,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:42:02,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:42:02,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:42:02,744 INFO L87 Difference]: Start difference. First operand 332 states and 393 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 23:42:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:02,822 INFO L93 Difference]: Finished difference Result 444 states and 529 transitions. [2021-11-20 23:42:02,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 23:42:02,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2021-11-20 23:42:02,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:02,827 INFO L225 Difference]: With dead ends: 444 [2021-11-20 23:42:02,827 INFO L226 Difference]: Without dead ends: 276 [2021-11-20 23:42:02,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:42:02,829 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 40 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:02,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 417 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 23:42:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-20 23:42:02,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 253. [2021-11-20 23:42:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.0890052356020943) internal successors, (208), 198 states have internal predecessors, (208), 39 states have call successors, (39), 21 states have call predecessors, (39), 22 states have return successors, (49), 33 states have call predecessors, (49), 37 states have call successors, (49) [2021-11-20 23:42:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 296 transitions. [2021-11-20 23:42:02,860 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 296 transitions. Word has length 56 [2021-11-20 23:42:02,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:02,860 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 296 transitions. [2021-11-20 23:42:02,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-20 23:42:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 296 transitions. [2021-11-20 23:42:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 23:42:02,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:02,862 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:42:02,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:03,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:42:03,087 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:03,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1219377946, now seen corresponding path program 1 times [2021-11-20 23:42:03,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:42:03,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [809233909] [2021-11-20 23:42:03,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:03,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:42:03,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:42:03,093 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:42:03,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-11-20 23:42:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:03,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:42:03,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:42:03,806 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 23:42:03,806 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 1 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:42:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:42:03,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2021-11-20 23:42:04,943 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:42:04,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 43 [2021-11-20 23:42:04,949 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:42:04,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 13 [2021-11-20 23:42:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 23:42:05,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:42:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 23:42:05,649 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:42:05,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [809233909] [2021-11-20 23:42:05,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [809233909] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-20 23:42:05,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:42:05,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2021-11-20 23:42:05,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227643729] [2021-11-20 23:42:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:42:05,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 23:42:05,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:42:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 23:42:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-20 23:42:05,650 INFO L87 Difference]: Start difference. First operand 253 states and 296 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 23:42:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:42:06,377 INFO L93 Difference]: Finished difference Result 259 states and 301 transitions. [2021-11-20 23:42:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 23:42:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 58 [2021-11-20 23:42:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:42:06,381 INFO L225 Difference]: With dead ends: 259 [2021-11-20 23:42:06,381 INFO L226 Difference]: Without dead ends: 257 [2021-11-20 23:42:06,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-20 23:42:06,382 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 17 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 43 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:42:06,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 592 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 43 Unchecked, 0.6s Time] [2021-11-20 23:42:06,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-20 23:42:06,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2021-11-20 23:42:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 194 states have (on average 1.0876288659793814) internal successors, (211), 201 states have internal predecessors, (211), 39 states have call successors, (39), 22 states have call predecessors, (39), 23 states have return successors, (49), 33 states have call predecessors, (49), 37 states have call successors, (49) [2021-11-20 23:42:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 299 transitions. [2021-11-20 23:42:06,412 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 299 transitions. Word has length 58 [2021-11-20 23:42:06,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:42:06,412 INFO L470 AbstractCegarLoop]: Abstraction has 257 states and 299 transitions. [2021-11-20 23:42:06,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2021-11-20 23:42:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 299 transitions. [2021-11-20 23:42:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 23:42:06,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:42:06,424 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:42:06,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2021-11-20 23:42:06,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:42:06,643 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:42:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:42:06,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2136742114, now seen corresponding path program 1 times [2021-11-20 23:42:06,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:42:06,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947106687] [2021-11-20 23:42:06,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:06,647 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:42:06,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:42:06,648 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:42:06,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-11-20 23:42:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:07,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:42:07,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:42:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:42:09,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:42:10,517 INFO L354 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-11-20 23:42:10,517 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 86 treesize of output 1 [2021-11-20 23:42:11,005 INFO L354 Elim1Store]: treesize reduction 51, result has 40.0 percent of original size [2021-11-20 23:42:11,005 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 36 treesize of output 45 [2021-11-20 23:42:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:42:11,481 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:42:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947106687] [2021-11-20 23:42:11,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947106687] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:42:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512689558] [2021-11-20 23:42:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:11,482 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:42:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:42:11,482 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:42:11,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-11-20 23:42:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:14,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:42:14,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:42:14,330 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 [2021-11-20 23:42:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:42:17,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:42:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:42:20,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1512689558] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:42:20,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850088864] [2021-11-20 23:42:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:42:20,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:42:20,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:42:20,203 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:42:20,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-20 23:42:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:42:21,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 23:42:21,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:42:21,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:42:21,446 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-20 23:42:21,446 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 1 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:42:22,994 INFO L354 Elim1Store]: treesize reduction 143, result has 15.9 percent of original size [2021-11-20 23:42:22,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:42:29,781 INFO L354 Elim1Store]: treesize reduction 188, result has 15.7 percent of original size [2021-11-20 23:42:29,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 72 [2021-11-20 23:42:29,932 INFO L354 Elim1Store]: treesize reduction 188, result has 15.7 percent of original size [2021-11-20 23:42:29,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 53 [2021-11-20 23:44:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:44:23,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:44:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:44:24,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850088864] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:44:24,955 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-20 23:44:24,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 14, 12, 18, 12] total 55 [2021-11-20 23:44:24,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582455347] [2021-11-20 23:44:24,956 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-20 23:44:24,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-11-20 23:44:24,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:44:24,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-11-20 23:44:24,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=2686, Unknown=32, NotChecked=0, Total=2970 [2021-11-20 23:44:24,959 INFO L87 Difference]: Start difference. First operand 257 states and 299 transitions. Second operand has 55 states, 50 states have (on average 3.64) internal successors, (182), 50 states have internal predecessors, (182), 14 states have call successors, (18), 7 states have call predecessors, (18), 13 states have return successors, (19), 9 states have call predecessors, (19), 13 states have call successors, (19) [2021-11-20 23:46:54,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:46:54,977 INFO L93 Difference]: Finished difference Result 437 states and 524 transitions. [2021-11-20 23:46:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-20 23:46:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 50 states have (on average 3.64) internal successors, (182), 50 states have internal predecessors, (182), 14 states have call successors, (18), 7 states have call predecessors, (18), 13 states have return successors, (19), 9 states have call predecessors, (19), 13 states have call successors, (19) Word has length 62 [2021-11-20 23:46:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:46:54,982 INFO L225 Difference]: With dead ends: 437 [2021-11-20 23:46:54,982 INFO L226 Difference]: Without dead ends: 356 [2021-11-20 23:46:54,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 324 SyntacticMatches, 16 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2659 ImplicationChecksByTransitivity, 269.7s TimeCoverageRelationStatistics Valid=728, Invalid=7372, Unknown=90, NotChecked=0, Total=8190 [2021-11-20 23:46:54,987 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 277 mSDsluCounter, 2667 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 2844 SdHoareTripleChecker+Invalid, 2077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 980 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:46:54,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 2844 Invalid, 2077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1062 Invalid, 0 Unknown, 980 Unchecked, 5.2s Time] [2021-11-20 23:46:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-20 23:46:55,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 294. [2021-11-20 23:46:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 225 states have (on average 1.0888888888888888) internal successors, (245), 232 states have internal predecessors, (245), 41 states have call successors, (41), 26 states have call predecessors, (41), 27 states have return successors, (53), 35 states have call predecessors, (53), 39 states have call successors, (53) [2021-11-20 23:46:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 339 transitions. [2021-11-20 23:46:55,045 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 339 transitions. Word has length 62 [2021-11-20 23:46:55,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:46:55,045 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 339 transitions. [2021-11-20 23:46:55,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 50 states have (on average 3.64) internal successors, (182), 50 states have internal predecessors, (182), 14 states have call successors, (18), 7 states have call predecessors, (18), 13 states have return successors, (19), 9 states have call predecessors, (19), 13 states have call successors, (19) [2021-11-20 23:46:55,046 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 339 transitions. [2021-11-20 23:46:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-20 23:46:55,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:46:55,048 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-20 23:46:55,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-20 23:46:55,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2021-11-20 23:46:55,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-11-20 23:46:55,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-20 23:46:55,676 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:46:55,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:46:55,677 INFO L85 PathProgramCache]: Analyzing trace with hash 311711842, now seen corresponding path program 1 times [2021-11-20 23:46:55,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-20 23:46:55,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458169411] [2021-11-20 23:46:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:46:55,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 23:46:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-20 23:46:55,680 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 23:46:55,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-11-20 23:46:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:46:56,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:46:56,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:46:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:46:58,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:46:59,655 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-20 23:46:59,656 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 76 treesize of output 1 [2021-11-20 23:47:00,114 INFO L354 Elim1Store]: treesize reduction 39, result has 46.6 percent of original size [2021-11-20 23:47:00,115 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 32 treesize of output 45 [2021-11-20 23:47:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:47:00,808 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-20 23:47:00,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458169411] [2021-11-20 23:47:00,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458169411] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:47:00,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [658550472] [2021-11-20 23:47:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:47:00,808 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-20 23:47:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 [2021-11-20 23:47:00,809 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-20 23:47:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-11-20 23:47:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:47:05,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-20 23:47:05,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:47:05,543 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 [2021-11-20 23:47:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:47:06,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:47:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:47:07,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [658550472] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:47:07,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970411652] [2021-11-20 23:47:07,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:47:07,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:47:07,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:47:07,589 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:47:07,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8157baab-3ec5-4873-9bb7-f5a102c33892/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-11-20 23:47:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:47:08,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-20 23:47:08,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:47:08,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:47:09,007 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-11-20 23:47:09,007 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 1 case distinctions, treesize of input 20 treesize of output 21 [2021-11-20 23:47:09,897 INFO L354 Elim1Store]: treesize reduction 143, result has 15.9 percent of original size [2021-11-20 23:47:09,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 47 [2021-11-20 23:47:16,547 INFO L354 Elim1Store]: treesize reduction 340, result has 11.5 percent of original size [2021-11-20 23:47:16,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 65 treesize of output 62 [2021-11-20 23:49:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:49:07,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:49:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:49:08,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970411652] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:49:08,077 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-20 23:49:08,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 14, 12, 18, 12] total 39 [2021-11-20 23:49:08,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563248216] [2021-11-20 23:49:08,077 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-20 23:49:08,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-11-20 23:49:08,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-20 23:49:08,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-11-20 23:49:08,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1258, Unknown=32, NotChecked=0, Total=1482 [2021-11-20 23:49:08,079 INFO L87 Difference]: Start difference. First operand 294 states and 339 transitions. Second operand has 39 states, 36 states have (on average 3.638888888888889) internal successors, (131), 36 states have internal predecessors, (131), 10 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (13), 7 states have call predecessors, (13), 9 states have call successors, (13)