./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh --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 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:15:30,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:15:30,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:15:30,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:15:30,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:15:30,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:15:30,217 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:15:30,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:15:30,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:15:30,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:15:30,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:15:30,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:15:30,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:15:30,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:15:30,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:15:30,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:15:30,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:15:30,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:15:30,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:15:30,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:15:30,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:15:30,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:15:30,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:15:30,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:15:30,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:15:30,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:15:30,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:15:30,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:15:30,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:15:30,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:15:30,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:15:30,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:15:30,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:15:30,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:15:30,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:15:30,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:15:30,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:15:30,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:15:30,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:15:30,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:15:30,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:15:30,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:15:30,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:15:30,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:15:30,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:15:30,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:15:30,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:15:30,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:15:30,274 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:15:30,274 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:15:30,278 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:15:30,279 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:15:30,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:15:30,279 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:15:30,279 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:15:30,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:15:30,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:15:30,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:15:30,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:15:30,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:15:30,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:15:30,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:15:30,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:15:30,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:15:30,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:15:30,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:15:30,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:15:30,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:15:30,282 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:15:30,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:15:30,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:15:30,283 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:15:30,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:15:30,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:15:30,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:15:30,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 [2022-12-14 08:15:30,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:15:30,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:15:30,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:15:30,509 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:15:30,509 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:15:30,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2022-12-14 08:15:33,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:15:33,438 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:15:33,439 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2022-12-14 08:15:33,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/data/c54241358/8d5d9fbb52934cfb82b3a28ecc880680/FLAG53b59edb5 [2022-12-14 08:15:33,574 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/data/c54241358/8d5d9fbb52934cfb82b3a28ecc880680 [2022-12-14 08:15:33,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:15:33,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:15:33,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:15:33,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:15:33,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:15:33,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:33" (1/1) ... [2022-12-14 08:15:33,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140d99c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:33, skipping insertion in model container [2022-12-14 08:15:33,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:15:33" (1/1) ... [2022-12-14 08:15:33,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:15:33,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:15:34,575 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:15:34,583 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:15:34,598 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:34,664 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:15:34,669 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:15:34,670 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:15:34,678 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:15:34,695 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 08:15:34,702 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 08:15:34,776 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 08:15:34,777 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:15:34,777 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 08:15:34,782 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 08:15:34,784 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:15:34,784 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 08:15:34,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,952 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:34,953 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:34,954 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:34,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,961 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:34,962 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:34,967 WARN L623 FunctionHandler]: Unknown extern function mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:34,968 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:34,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,969 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:34,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,974 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame_hi_pri [2022-12-14 08:15:34,975 WARN L623 FunctionHandler]: Unknown extern function mpt_send_handshake_request [2022-12-14 08:15:34,975 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,976 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:34,976 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:34,977 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:34,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,978 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:34,979 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:34,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,982 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,988 WARN L623 FunctionHandler]: Unknown extern function mpt_halt_firmware [2022-12-14 08:15:34,989 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:15:34,990 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:34,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,993 WARN L623 FunctionHandler]: Unknown extern function mpt_Soft_Hard_ResetHandler [2022-12-14 08:15:34,994 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:34,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,997 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:34,998 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:34,999 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,000 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 08:15:35,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,002 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 08:15:35,008 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 08:15:35,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,015 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,016 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,025 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,025 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,027 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,027 WARN L623 FunctionHandler]: Unknown extern function mpt_HardResetHandler [2022-12-14 08:15:35,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,031 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,032 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,037 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,041 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,041 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,042 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,043 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,044 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,057 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,059 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,062 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,064 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 08:15:35,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,065 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,068 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,069 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,072 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,073 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,074 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,076 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,077 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,078 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,082 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,084 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,085 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,086 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,086 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,088 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,089 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,089 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,090 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,093 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,096 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,100 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,103 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,105 WARN L623 FunctionHandler]: Unknown extern function mpt_free_fw_memory [2022-12-14 08:15:35,105 WARN L623 FunctionHandler]: Unknown extern function mpt_alloc_fw_memory [2022-12-14 08:15:35,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,106 WARN L623 FunctionHandler]: Unknown extern function mpt_free_fw_memory [2022-12-14 08:15:35,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,108 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,110 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,111 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:15:35,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,113 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,118 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,119 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,128 WARN L623 FunctionHandler]: Unknown extern function mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:35,128 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame_hi_pri [2022-12-14 08:15:35,128 WARN L623 FunctionHandler]: Unknown extern function mpt_send_handshake_request [2022-12-14 08:15:35,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,129 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,130 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,130 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,131 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,136 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,144 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,148 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,149 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,150 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,150 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,151 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,152 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,154 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,155 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,155 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,156 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,159 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,161 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,163 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,164 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,170 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,177 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,181 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:15:35,184 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,185 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_register [2022-12-14 08:15:35,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,186 WARN L623 FunctionHandler]: Unknown extern function mpt_register [2022-12-14 08:15:35,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,186 WARN L623 FunctionHandler]: Unknown extern function mpt_register [2022-12-14 08:15:35,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,187 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,187 WARN L623 FunctionHandler]: Unknown extern function mpt_reset_register [2022-12-14 08:15:35,188 WARN L623 FunctionHandler]: Unknown extern function mpt_event_register [2022-12-14 08:15:35,188 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_deregister [2022-12-14 08:15:35,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,192 WARN L623 FunctionHandler]: Unknown extern function mpt_event_deregister [2022-12-14 08:15:35,192 WARN L623 FunctionHandler]: Unknown extern function mpt_reset_deregister [2022-12-14 08:15:35,192 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,192 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,192 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_deregister [2022-12-14 08:15:35,204 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,216 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:15:35,218 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 08:15:35,219 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-12-14 08:15:35,219 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 08:15:35,220 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,220 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,220 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,221 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:15:35,221 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,221 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,221 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,222 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:15:35,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 08:15:35,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,223 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,225 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,226 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,226 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,226 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,226 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,227 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,227 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 08:15:35,227 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,228 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,228 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,231 WARN L237 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_1046b31a-7e78-4f7c-be75-92c5399ed38b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2022-12-14 08:15:35,370 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,371 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,372 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,377 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:15:35,403 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:15:35,467 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 08:15:35,468 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 08:15:35,468 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,472 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:15:35,473 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 08:15:35,473 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 08:15:35,474 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 08:15:35,474 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 08:15:35,475 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 08:15:35,476 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 08:15:35,477 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 08:15:35,477 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 08:15:35,477 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-14 08:15:35,478 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 08:15:35,478 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 08:15:35,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,488 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,489 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:35,489 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:35,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,491 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,491 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:35,492 WARN L623 FunctionHandler]: Unknown extern function mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:35,493 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,493 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,494 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,495 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame_hi_pri [2022-12-14 08:15:35,507 WARN L623 FunctionHandler]: Unknown extern function mpt_send_handshake_request [2022-12-14 08:15:35,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,508 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,508 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,508 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,509 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,510 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,514 WARN L623 FunctionHandler]: Unknown extern function mpt_halt_firmware [2022-12-14 08:15:35,514 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:15:35,515 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,516 WARN L623 FunctionHandler]: Unknown extern function mpt_Soft_Hard_ResetHandler [2022-12-14 08:15:35,517 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,519 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 08:15:35,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,521 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 08:15:35,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,523 WARN L623 FunctionHandler]: Unknown extern function kill_fasync [2022-12-14 08:15:35,525 WARN L623 FunctionHandler]: Unknown extern function fasync_helper [2022-12-14 08:15:35,527 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,527 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,532 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,533 WARN L623 FunctionHandler]: Unknown extern function mpt_HardResetHandler [2022-12-14 08:15:35,534 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,537 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,538 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,544 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,544 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,545 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,545 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,547 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,560 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,562 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 08:15:35,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,563 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,564 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,566 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,569 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,570 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,571 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,574 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,577 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,578 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,579 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 08:15:35,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,582 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,583 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,584 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,586 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,589 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,592 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,596 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,597 WARN L623 FunctionHandler]: Unknown extern function mpt_free_fw_memory [2022-12-14 08:15:35,598 WARN L623 FunctionHandler]: Unknown extern function mpt_alloc_fw_memory [2022-12-14 08:15:35,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,599 WARN L623 FunctionHandler]: Unknown extern function mpt_free_fw_memory [2022-12-14 08:15:35,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,600 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,601 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,604 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,605 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 08:15:35,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,607 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,612 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,612 WARN L623 FunctionHandler]: Unknown extern function __scsi_iterate_devices [2022-12-14 08:15:35,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,616 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,621 WARN L623 FunctionHandler]: Unknown extern function mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:35,621 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame_hi_pri [2022-12-14 08:15:35,622 WARN L623 FunctionHandler]: Unknown extern function mpt_send_handshake_request [2022-12-14 08:15:35,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,622 WARN L623 FunctionHandler]: Unknown extern function mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:35,623 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,623 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,624 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,624 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,629 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,632 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,637 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,637 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,638 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,639 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 08:15:35,639 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,641 WARN L623 FunctionHandler]: Unknown extern function mpt_get_msg_frame [2022-12-14 08:15:35,642 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,643 WARN L623 FunctionHandler]: Unknown extern function mpt_put_msg_frame [2022-12-14 08:15:35,643 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 08:15:35,644 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,644 WARN L623 FunctionHandler]: Unknown extern function mpt_free_msg_frame [2022-12-14 08:15:35,645 WARN L623 FunctionHandler]: Unknown extern function mpt_GetIocState [2022-12-14 08:15:35,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,648 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,649 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,651 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,652 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,653 WARN L623 FunctionHandler]: Unknown extern function mpt_config [2022-12-14 08:15:35,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,658 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,658 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,661 WARN L623 FunctionHandler]: Unknown extern function mpt_verify_adapter [2022-12-14 08:15:35,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,666 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 08:15:35,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,668 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_register [2022-12-14 08:15:35,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,668 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,669 WARN L623 FunctionHandler]: Unknown extern function mpt_register [2022-12-14 08:15:35,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,669 WARN L623 FunctionHandler]: Unknown extern function mpt_register [2022-12-14 08:15:35,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,670 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,670 WARN L623 FunctionHandler]: Unknown extern function mpt_reset_register [2022-12-14 08:15:35,670 WARN L623 FunctionHandler]: Unknown extern function mpt_event_register [2022-12-14 08:15:35,671 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_deregister [2022-12-14 08:15:35,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 08:15:35,671 WARN L623 FunctionHandler]: Unknown extern function mpt_event_deregister [2022-12-14 08:15:35,672 WARN L623 FunctionHandler]: Unknown extern function mpt_reset_deregister [2022-12-14 08:15:35,672 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,672 WARN L623 FunctionHandler]: Unknown extern function mpt_deregister [2022-12-14 08:15:35,672 WARN L623 FunctionHandler]: Unknown extern function mpt_device_driver_deregister [2022-12-14 08:15:35,672 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,673 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 08:15:35,675 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 08:15:35,676 WARN L623 FunctionHandler]: Unknown extern function ldv_open_2 [2022-12-14 08:15:35,676 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 08:15:35,677 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,677 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,677 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,678 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:15:35,678 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,678 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,678 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,679 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 08:15:35,679 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible [2022-12-14 08:15:35,679 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,679 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,680 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,680 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,680 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,680 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,680 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,681 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,681 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,681 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,681 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,681 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,682 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,682 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 08:15:35,683 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 08:15:35,683 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 08:15:35,683 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,693 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,694 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 08:15:35,694 WARN L237 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_1046b31a-7e78-4f7c-be75-92c5399ed38b/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2022-12-14 08:15:35,703 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,704 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,704 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,706 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 08:15:35,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:15:35,739 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:15:35,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35 WrapperNode [2022-12-14 08:15:35,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:15:35,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:15:35,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:15:35,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:15:35,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,875 INFO L138 Inliner]: procedures = 258, calls = 2276, calls flagged for inlining = 96, calls inlined = 93, statements flattened = 5946 [2022-12-14 08:15:35,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:15:35,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:15:35,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:15:35,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:15:35,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:35,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:36,002 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:36,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:36,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:15:36,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:15:36,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:15:36,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:15:36,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (1/1) ... [2022-12-14 08:15:36,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:15:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:15:36,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:15:36,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 08:15:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 08:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 08:15:36,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 08:15:36,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-12-14 08:15:36,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 08:15:36,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:15:36,101 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2022-12-14 08:15:36,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:15:36,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 08:15:36,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:15:36,103 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2022-12-14 08:15:36,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 08:15:36,104 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 08:15:36,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:15:36,105 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 08:15:36,106 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:15:36,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2022-12-14 08:15:36,107 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-12-14 08:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2022-12-14 08:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2022-12-14 08:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2022-12-14 08:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 08:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 08:15:36,594 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:15:36,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:15:39,102 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 08:15:45,455 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:15:46,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:15:46,838 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 08:15:46,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:46 BoogieIcfgContainer [2022-12-14 08:15:46,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:15:46,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:15:46,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:15:46,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:15:46,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:15:33" (1/3) ... [2022-12-14 08:15:46,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaccb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:15:46, skipping insertion in model container [2022-12-14 08:15:46,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:15:35" (2/3) ... [2022-12-14 08:15:46,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaccb9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:15:46, skipping insertion in model container [2022-12-14 08:15:46,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:15:46" (3/3) ... [2022-12-14 08:15:46,848 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2022-12-14 08:15:46,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:15:46,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:15:46,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:15:46,948 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f3fda54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:15:46,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:15:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 914 states, 583 states have (on average 1.3893653516295026) internal successors, (810), 603 states have internal predecessors, (810), 267 states have call successors, (267), 63 states have call predecessors, (267), 62 states have return successors, (263), 262 states have call predecessors, (263), 263 states have call successors, (263) [2022-12-14 08:15:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 08:15:46,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:15:46,970 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:15:46,971 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:15:46,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:15:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -198911194, now seen corresponding path program 1 times [2022-12-14 08:15:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:15:46,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575668365] [2022-12-14 08:15:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:15:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:15:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:15:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-14 08:15:47,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:15:47,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575668365] [2022-12-14 08:15:47,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575668365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:15:47,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:15:47,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:15:47,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011519216] [2022-12-14 08:15:47,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:15:47,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:15:47,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:15:47,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:15:47,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:15:47,417 INFO L87 Difference]: Start difference. First operand has 914 states, 583 states have (on average 1.3893653516295026) internal successors, (810), 603 states have internal predecessors, (810), 267 states have call successors, (267), 63 states have call predecessors, (267), 62 states have return successors, (263), 262 states have call predecessors, (263), 263 states have call successors, (263) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 08:15:50,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:15:52,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:15:57,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:15:58,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:15:58,264 INFO L93 Difference]: Finished difference Result 1889 states and 2797 transitions. [2022-12-14 08:15:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:15:58,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 97 [2022-12-14 08:15:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:15:58,278 INFO L225 Difference]: With dead ends: 1889 [2022-12-14 08:15:58,278 INFO L226 Difference]: Without dead ends: 983 [2022-12-14 08:15:58,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:15:58,287 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 137 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2281 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:15:58,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 2281 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 359 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 08:15:58,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2022-12-14 08:15:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 969. [2022-12-14 08:15:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 623 states have (on average 1.377207062600321) internal successors, (858), 638 states have internal predecessors, (858), 273 states have call successors, (273), 73 states have call predecessors, (273), 72 states have return successors, (262), 260 states have call predecessors, (262), 262 states have call successors, (262) [2022-12-14 08:15:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1393 transitions. [2022-12-14 08:15:58,366 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1393 transitions. Word has length 97 [2022-12-14 08:15:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:15:58,367 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1393 transitions. [2022-12-14 08:15:58,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-14 08:15:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1393 transitions. [2022-12-14 08:15:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 08:15:58,369 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:15:58,369 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:15:58,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:15:58,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:15:58,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:15:58,370 INFO L85 PathProgramCache]: Analyzing trace with hash -2050754207, now seen corresponding path program 1 times [2022-12-14 08:15:58,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:15:58,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796408639] [2022-12-14 08:15:58,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:15:58,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:15:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:15:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-14 08:15:58,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:15:58,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796408639] [2022-12-14 08:15:58,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796408639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:15:58,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:15:58,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:15:58,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519332322] [2022-12-14 08:15:58,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:15:58,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:15:58,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:15:58,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:15:58,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:15:58,633 INFO L87 Difference]: Start difference. First operand 969 states and 1393 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 08:15:59,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:01,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:03,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:05,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:08,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:09,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:16:09,080 INFO L93 Difference]: Finished difference Result 2586 states and 3736 transitions. [2022-12-14 08:16:09,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:16:09,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2022-12-14 08:16:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:16:09,093 INFO L225 Difference]: With dead ends: 2586 [2022-12-14 08:16:09,093 INFO L226 Difference]: Without dead ends: 1651 [2022-12-14 08:16:09,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:09,097 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 981 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:16:09,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 2530 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 373 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 08:16:09,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2022-12-14 08:16:09,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1639. [2022-12-14 08:16:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1068 states have (on average 1.3876404494382022) internal successors, (1482), 1086 states have internal predecessors, (1482), 447 states have call successors, (447), 124 states have call predecessors, (447), 123 states have return successors, (440), 434 states have call predecessors, (440), 436 states have call successors, (440) [2022-12-14 08:16:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2369 transitions. [2022-12-14 08:16:09,172 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2369 transitions. Word has length 109 [2022-12-14 08:16:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:16:09,172 INFO L495 AbstractCegarLoop]: Abstraction has 1639 states and 2369 transitions. [2022-12-14 08:16:09,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 08:16:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2369 transitions. [2022-12-14 08:16:09,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 08:16:09,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:16:09,175 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:16:09,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:16:09,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:16:09,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:16:09,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1082503751, now seen corresponding path program 1 times [2022-12-14 08:16:09,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:16:09,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636800687] [2022-12-14 08:16:09,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:16:09,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:16:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:16:09,429 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:16:09,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:16:09,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636800687] [2022-12-14 08:16:09,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636800687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:16:09,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:16:09,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:16:09,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201351252] [2022-12-14 08:16:09,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:16:09,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:16:09,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:16:09,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:16:09,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:09,432 INFO L87 Difference]: Start difference. First operand 1639 states and 2369 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:12,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:14,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:17,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:19,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:16:21,574 INFO L93 Difference]: Finished difference Result 3180 states and 4598 transitions. [2022-12-14 08:16:21,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:16:21,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2022-12-14 08:16:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:16:21,599 INFO L225 Difference]: With dead ends: 3180 [2022-12-14 08:16:21,599 INFO L226 Difference]: Without dead ends: 3177 [2022-12-14 08:16:21,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:21,603 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 1189 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:16:21,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 2668 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 3 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 08:16:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3177 states. [2022-12-14 08:16:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3177 to 3169. [2022-12-14 08:16:21,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3169 states, 2078 states have (on average 1.3912415784408085) internal successors, (2891), 2104 states have internal predecessors, (2891), 848 states have call successors, (848), 243 states have call predecessors, (848), 242 states have return successors, (849), 833 states have call predecessors, (849), 837 states have call successors, (849) [2022-12-14 08:16:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 3169 states and 4588 transitions. [2022-12-14 08:16:21,728 INFO L78 Accepts]: Start accepts. Automaton has 3169 states and 4588 transitions. Word has length 128 [2022-12-14 08:16:21,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:16:21,728 INFO L495 AbstractCegarLoop]: Abstraction has 3169 states and 4588 transitions. [2022-12-14 08:16:21,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 4588 transitions. [2022-12-14 08:16:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 08:16:21,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:16:21,731 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:16:21,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:16:21,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:16:21,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:16:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 800850043, now seen corresponding path program 1 times [2022-12-14 08:16:21,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:16:21,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679818727] [2022-12-14 08:16:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:16:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:16:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:16:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:16:21,939 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:16:21,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679818727] [2022-12-14 08:16:21,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679818727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:16:21,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:16:21,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:16:21,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383571863] [2022-12-14 08:16:21,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:16:21,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:16:21,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:16:21,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:16:21,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:21,941 INFO L87 Difference]: Start difference. First operand 3169 states and 4588 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:23,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:25,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:27,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:29,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:31,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:33,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:16:33,102 INFO L93 Difference]: Finished difference Result 3340 states and 4783 transitions. [2022-12-14 08:16:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:16:33,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2022-12-14 08:16:33,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:16:33,112 INFO L225 Difference]: With dead ends: 3340 [2022-12-14 08:16:33,112 INFO L226 Difference]: Without dead ends: 3337 [2022-12-14 08:16:33,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:33,114 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1000 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1004 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:16:33,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1004 Valid, 2672 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 401 Invalid, 4 Unknown, 0 Unchecked, 11.1s Time] [2022-12-14 08:16:33,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2022-12-14 08:16:33,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 3329. [2022-12-14 08:16:33,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3329 states, 2165 states have (on average 1.3838337182448037) internal successors, (2996), 2197 states have internal predecessors, (2996), 886 states have call successors, (886), 276 states have call predecessors, (886), 277 states have return successors, (891), 870 states have call predecessors, (891), 875 states have call successors, (891) [2022-12-14 08:16:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 4773 transitions. [2022-12-14 08:16:33,207 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 4773 transitions. Word has length 129 [2022-12-14 08:16:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:16:33,207 INFO L495 AbstractCegarLoop]: Abstraction has 3329 states and 4773 transitions. [2022-12-14 08:16:33,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 4773 transitions. [2022-12-14 08:16:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 08:16:33,209 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:16:33,209 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:16:33,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:16:33,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:16:33,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:16:33,209 INFO L85 PathProgramCache]: Analyzing trace with hash -944719620, now seen corresponding path program 1 times [2022-12-14 08:16:33,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:16:33,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446170947] [2022-12-14 08:16:33,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:16:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:16:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:16:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:16:33,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:16:33,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446170947] [2022-12-14 08:16:33,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446170947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:16:33,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:16:33,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:16:33,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139718638] [2022-12-14 08:16:33,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:16:33,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:16:33,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:16:33,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:16:33,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:33,353 INFO L87 Difference]: Start difference. First operand 3329 states and 4773 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:34,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:36,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:38,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:40,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:42,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:44,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:16:45,417 INFO L93 Difference]: Finished difference Result 3377 states and 4815 transitions. [2022-12-14 08:16:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:16:45,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 130 [2022-12-14 08:16:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:16:45,427 INFO L225 Difference]: With dead ends: 3377 [2022-12-14 08:16:45,427 INFO L226 Difference]: Without dead ends: 3373 [2022-12-14 08:16:45,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:45,429 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 171 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:16:45,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 2102 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 327 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 08:16:45,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3373 states. [2022-12-14 08:16:45,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3373 to 3371. [2022-12-14 08:16:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 2187 states have (on average 1.3786008230452675) internal successors, (3015), 2217 states have internal predecessors, (3015), 892 states have call successors, (892), 290 states have call predecessors, (892), 291 states have return successors, (899), 878 states have call predecessors, (899), 883 states have call successors, (899) [2022-12-14 08:16:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4806 transitions. [2022-12-14 08:16:45,528 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4806 transitions. Word has length 130 [2022-12-14 08:16:45,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:16:45,528 INFO L495 AbstractCegarLoop]: Abstraction has 3371 states and 4806 transitions. [2022-12-14 08:16:45,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4806 transitions. [2022-12-14 08:16:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 08:16:45,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:16:45,530 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:16:45,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:16:45,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:16:45,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:16:45,531 INFO L85 PathProgramCache]: Analyzing trace with hash 777200542, now seen corresponding path program 1 times [2022-12-14 08:16:45,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:16:45,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211618564] [2022-12-14 08:16:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:16:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:16:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:16:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:16:45,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:16:45,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211618564] [2022-12-14 08:16:45,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211618564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:16:45,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:16:45,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:16:45,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214298203] [2022-12-14 08:16:45,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:16:45,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:16:45,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:16:45,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:16:45,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:45,680 INFO L87 Difference]: Start difference. First operand 3371 states and 4806 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:46,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:47,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:49,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:50,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:52,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:54,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:57,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:59,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:16:59,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:16:59,692 INFO L93 Difference]: Finished difference Result 8632 states and 12321 transitions. [2022-12-14 08:16:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:16:59,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2022-12-14 08:16:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:16:59,709 INFO L225 Difference]: With dead ends: 8632 [2022-12-14 08:16:59,709 INFO L226 Difference]: Without dead ends: 5295 [2022-12-14 08:16:59,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:59,717 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 728 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 2443 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-14 08:16:59,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 2443 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 373 Invalid, 3 Unknown, 0 Unchecked, 13.9s Time] [2022-12-14 08:16:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-12-14 08:16:59,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 5257. [2022-12-14 08:16:59,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3433 states have (on average 1.3722691523448878) internal successors, (4711), 3491 states have internal predecessors, (4711), 1351 states have call successors, (1351), 480 states have call predecessors, (1351), 472 states have return successors, (1404), 1305 states have call predecessors, (1404), 1339 states have call successors, (1404) [2022-12-14 08:16:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7466 transitions. [2022-12-14 08:16:59,874 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7466 transitions. Word has length 131 [2022-12-14 08:16:59,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:16:59,875 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7466 transitions. [2022-12-14 08:16:59,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:16:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7466 transitions. [2022-12-14 08:16:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-14 08:16:59,876 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:16:59,876 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:16:59,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:16:59,876 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:16:59,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:16:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1677844417, now seen corresponding path program 1 times [2022-12-14 08:16:59,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:16:59,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183445294] [2022-12-14 08:16:59,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:16:59,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:16:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:16:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:16:59,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:16:59,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183445294] [2022-12-14 08:16:59,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183445294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:16:59,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:16:59,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:16:59,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069532486] [2022-12-14 08:16:59,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:16:59,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:16:59,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:16:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:16:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:16:59,997 INFO L87 Difference]: Start difference. First operand 5257 states and 7466 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:17:01,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:03,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:05,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:08,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:11,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:12,284 INFO L93 Difference]: Finished difference Result 5309 states and 7513 transitions. [2022-12-14 08:17:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:17:12,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 132 [2022-12-14 08:17:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:12,301 INFO L225 Difference]: With dead ends: 5309 [2022-12-14 08:17:12,301 INFO L226 Difference]: Without dead ends: 5288 [2022-12-14 08:17:12,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:12,303 INFO L413 NwaCegarLoop]: 1573 mSDtfsCounter, 1014 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:17:12,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 2676 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 402 Invalid, 4 Unknown, 0 Unchecked, 12.1s Time] [2022-12-14 08:17:12,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5288 states. [2022-12-14 08:17:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5288 to 5270. [2022-12-14 08:17:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5270 states, 3440 states have (on average 1.3700581395348836) internal successors, (4713), 3498 states have internal predecessors, (4713), 1351 states have call successors, (1351), 486 states have call predecessors, (1351), 478 states have return successors, (1404), 1305 states have call predecessors, (1404), 1339 states have call successors, (1404) [2022-12-14 08:17:12,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 5270 states and 7468 transitions. [2022-12-14 08:17:12,485 INFO L78 Accepts]: Start accepts. Automaton has 5270 states and 7468 transitions. Word has length 132 [2022-12-14 08:17:12,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:12,485 INFO L495 AbstractCegarLoop]: Abstraction has 5270 states and 7468 transitions. [2022-12-14 08:17:12,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 08:17:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5270 states and 7468 transitions. [2022-12-14 08:17:12,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 08:17:12,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:12,486 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:17:12,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:17:12,487 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:17:12,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:12,487 INFO L85 PathProgramCache]: Analyzing trace with hash 589657603, now seen corresponding path program 1 times [2022-12-14 08:17:12,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:12,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417732326] [2022-12-14 08:17:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:12,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 08:17:12,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:12,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417732326] [2022-12-14 08:17:12,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417732326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:12,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:12,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:17:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663775622] [2022-12-14 08:17:12,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:12,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:17:12,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:17:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:12,647 INFO L87 Difference]: Start difference. First operand 5270 states and 7468 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 08:17:13,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:15,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:18,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:21,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:23,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:24,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:24,341 INFO L93 Difference]: Finished difference Result 8465 states and 11913 transitions. [2022-12-14 08:17:24,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:17:24,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2022-12-14 08:17:24,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:24,354 INFO L225 Difference]: With dead ends: 8465 [2022-12-14 08:17:24,354 INFO L226 Difference]: Without dead ends: 3227 [2022-12-14 08:17:24,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:24,369 INFO L413 NwaCegarLoop]: 1146 mSDtfsCounter, 15 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2274 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:17:24,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2274 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 351 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2022-12-14 08:17:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2022-12-14 08:17:24,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3200. [2022-12-14 08:17:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 2060 states have (on average 1.3514563106796116) internal successors, (2784), 2095 states have internal predecessors, (2784), 823 states have call successors, (823), 319 states have call predecessors, (823), 316 states have return successors, (839), 797 states have call predecessors, (839), 811 states have call successors, (839) [2022-12-14 08:17:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 4446 transitions. [2022-12-14 08:17:24,500 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 4446 transitions. Word has length 149 [2022-12-14 08:17:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:24,500 INFO L495 AbstractCegarLoop]: Abstraction has 3200 states and 4446 transitions. [2022-12-14 08:17:24,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 08:17:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 4446 transitions. [2022-12-14 08:17:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 08:17:24,503 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:24,504 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:17:24,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:17:24,504 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:17:24,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:24,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1594116748, now seen corresponding path program 1 times [2022-12-14 08:17:24,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:24,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051526984] [2022-12-14 08:17:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-12-14 08:17:24,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:24,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051526984] [2022-12-14 08:17:24,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051526984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:24,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:24,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:17:24,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509904402] [2022-12-14 08:17:24,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:24,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:17:24,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:24,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:17:24,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:24,725 INFO L87 Difference]: Start difference. First operand 3200 states and 4446 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 08:17:27,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:29,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:32,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:34,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:35,548 INFO L93 Difference]: Finished difference Result 3633 states and 5023 transitions. [2022-12-14 08:17:35,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:17:35,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2022-12-14 08:17:35,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:35,561 INFO L225 Difference]: With dead ends: 3633 [2022-12-14 08:17:35,561 INFO L226 Difference]: Without dead ends: 3630 [2022-12-14 08:17:35,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:35,563 INFO L413 NwaCegarLoop]: 1474 mSDtfsCounter, 840 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 2239 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:17:35,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 2239 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 355 Invalid, 4 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 08:17:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2022-12-14 08:17:35,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 3618. [2022-12-14 08:17:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3618 states, 2317 states have (on average 1.347863616745792) internal successors, (3123), 2363 states have internal predecessors, (3123), 929 states have call successors, (929), 374 states have call predecessors, (929), 371 states have return successors, (952), 896 states have call predecessors, (952), 917 states have call successors, (952) [2022-12-14 08:17:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5004 transitions. [2022-12-14 08:17:35,659 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5004 transitions. Word has length 155 [2022-12-14 08:17:35,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:35,659 INFO L495 AbstractCegarLoop]: Abstraction has 3618 states and 5004 transitions. [2022-12-14 08:17:35,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 08:17:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5004 transitions. [2022-12-14 08:17:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-14 08:17:35,663 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:35,663 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:17:35,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:17:35,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:17:35,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:35,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1565316675, now seen corresponding path program 1 times [2022-12-14 08:17:35,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:35,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049434836] [2022-12-14 08:17:35,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:35,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-12-14 08:17:35,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049434836] [2022-12-14 08:17:35,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049434836] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:35,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:35,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:17:35,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892606355] [2022-12-14 08:17:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:35,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:17:35,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:17:35,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:35,920 INFO L87 Difference]: Start difference. First operand 3618 states and 5004 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-14 08:17:37,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:38,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:42,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:44,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:47,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:17:47,783 INFO L93 Difference]: Finished difference Result 7443 states and 10292 transitions. [2022-12-14 08:17:47,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:17:47,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 193 [2022-12-14 08:17:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:17:47,794 INFO L225 Difference]: With dead ends: 7443 [2022-12-14 08:17:47,794 INFO L226 Difference]: Without dead ends: 3883 [2022-12-14 08:17:47,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:17:47,801 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 136 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 2286 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:17:47,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 2286 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 08:17:47,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2022-12-14 08:17:47,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 3846. [2022-12-14 08:17:47,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3846 states, 2501 states have (on average 1.3522590963614554) internal successors, (3382), 2547 states have internal predecessors, (3382), 949 states have call successors, (949), 398 states have call predecessors, (949), 395 states have return successors, (972), 916 states have call predecessors, (972), 937 states have call successors, (972) [2022-12-14 08:17:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3846 states to 3846 states and 5303 transitions. [2022-12-14 08:17:47,896 INFO L78 Accepts]: Start accepts. Automaton has 3846 states and 5303 transitions. Word has length 193 [2022-12-14 08:17:47,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:17:47,897 INFO L495 AbstractCegarLoop]: Abstraction has 3846 states and 5303 transitions. [2022-12-14 08:17:47,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-14 08:17:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 5303 transitions. [2022-12-14 08:17:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-12-14 08:17:47,899 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:17:47,899 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:17:47,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:17:47,900 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:17:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:17:47,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1913145586, now seen corresponding path program 1 times [2022-12-14 08:17:47,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:17:47,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420573165] [2022-12-14 08:17:47,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:17:47,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:17:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:17:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-12-14 08:17:49,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:17:49,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420573165] [2022-12-14 08:17:49,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420573165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:17:49,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:17:49,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:17:49,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640484859] [2022-12-14 08:17:49,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:17:49,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:17:49,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:17:49,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:17:49,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:17:49,129 INFO L87 Difference]: Start difference. First operand 3846 states and 5303 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-14 08:17:50,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:52,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:54,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:56,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:17:58,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:00,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:02,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:05,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:18:06,996 INFO L93 Difference]: Finished difference Result 7593 states and 10484 transitions. [2022-12-14 08:18:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 08:18:06,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 202 [2022-12-14 08:18:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:18:07,005 INFO L225 Difference]: With dead ends: 7593 [2022-12-14 08:18:07,005 INFO L226 Difference]: Without dead ends: 3783 [2022-12-14 08:18:07,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:18:07,012 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 37 mSDsluCounter, 3397 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 4540 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:18:07,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 4540 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 699 Invalid, 6 Unknown, 0 Unchecked, 17.7s Time] [2022-12-14 08:18:07,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2022-12-14 08:18:07,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3740. [2022-12-14 08:18:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2445 states have (on average 1.3550102249488754) internal successors, (3313), 2491 states have internal predecessors, (3313), 921 states have call successors, (921), 376 states have call predecessors, (921), 373 states have return successors, (944), 888 states have call predecessors, (944), 909 states have call successors, (944) [2022-12-14 08:18:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5178 transitions. [2022-12-14 08:18:07,120 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5178 transitions. Word has length 202 [2022-12-14 08:18:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:18:07,120 INFO L495 AbstractCegarLoop]: Abstraction has 3740 states and 5178 transitions. [2022-12-14 08:18:07,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-12-14 08:18:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5178 transitions. [2022-12-14 08:18:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-14 08:18:07,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:18:07,124 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:18:07,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 08:18:07,124 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:18:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:18:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1331191075, now seen corresponding path program 1 times [2022-12-14 08:18:07,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:18:07,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841845677] [2022-12-14 08:18:07,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:18:07,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:18:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:18:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-12-14 08:18:08,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:18:08,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841845677] [2022-12-14 08:18:08,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841845677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:18:08,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:18:08,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:18:08,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572883273] [2022-12-14 08:18:08,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:18:08,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:18:08,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:18:08,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:18:08,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:18:08,141 INFO L87 Difference]: Start difference. First operand 3740 states and 5178 transitions. Second operand has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:18:09,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:12,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:16,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:19,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:21,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:23,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:26,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:18:28,447 INFO L93 Difference]: Finished difference Result 5356 states and 7358 transitions. [2022-12-14 08:18:28,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:18:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 209 [2022-12-14 08:18:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:18:28,457 INFO L225 Difference]: With dead ends: 5356 [2022-12-14 08:18:28,457 INFO L226 Difference]: Without dead ends: 4832 [2022-12-14 08:18:28,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:18:28,460 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 2108 mSDsluCounter, 3291 mSDsCounter, 0 mSdLazyCounter, 3393 mSolverCounterSat, 1159 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 4557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 3393 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:18:28,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 4395 Invalid, 4557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 3393 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2022-12-14 08:18:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2022-12-14 08:18:28,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4472. [2022-12-14 08:18:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4472 states, 2904 states have (on average 1.3484848484848484) internal successors, (3916), 2978 states have internal predecessors, (3916), 1094 states have call successors, (1094), 472 states have call predecessors, (1094), 473 states have return successors, (1133), 1044 states have call predecessors, (1133), 1078 states have call successors, (1133) [2022-12-14 08:18:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4472 states to 4472 states and 6143 transitions. [2022-12-14 08:18:28,612 INFO L78 Accepts]: Start accepts. Automaton has 4472 states and 6143 transitions. Word has length 209 [2022-12-14 08:18:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:18:28,613 INFO L495 AbstractCegarLoop]: Abstraction has 4472 states and 6143 transitions. [2022-12-14 08:18:28,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:18:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4472 states and 6143 transitions. [2022-12-14 08:18:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 08:18:28,616 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:18:28,616 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:18:28,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:18:28,616 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:18:28,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:18:28,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1735261505, now seen corresponding path program 1 times [2022-12-14 08:18:28,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:18:28,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332177411] [2022-12-14 08:18:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:18:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:18:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:18:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-12-14 08:18:30,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:18:30,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332177411] [2022-12-14 08:18:30,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332177411] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:18:30,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:18:30,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:18:30,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970375892] [2022-12-14 08:18:30,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:18:30,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:18:30,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:18:30,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:18:30,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:18:30,439 INFO L87 Difference]: Start difference. First operand 4472 states and 6143 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:18:31,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:34,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:36,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:40,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:42,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:45,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:46,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:48,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:52,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:54,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:18:54,458 INFO L93 Difference]: Finished difference Result 7553 states and 10456 transitions. [2022-12-14 08:18:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:18:54,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 208 [2022-12-14 08:18:54,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:18:54,469 INFO L225 Difference]: With dead ends: 7553 [2022-12-14 08:18:54,469 INFO L226 Difference]: Without dead ends: 5152 [2022-12-14 08:18:54,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:18:54,474 INFO L413 NwaCegarLoop]: 1090 mSDtfsCounter, 2124 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 1072 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 4416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1072 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-12-14 08:18:54,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 4492 Invalid, 4416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1072 Valid, 3339 Invalid, 5 Unknown, 0 Unchecked, 23.8s Time] [2022-12-14 08:18:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-12-14 08:18:54,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 4786. [2022-12-14 08:18:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4786 states, 3097 states have (on average 1.3484016790442364) internal successors, (4176), 3175 states have internal predecessors, (4176), 1162 states have call successors, (1162), 525 states have call predecessors, (1162), 526 states have return successors, (1201), 1110 states have call predecessors, (1201), 1145 states have call successors, (1201) [2022-12-14 08:18:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6539 transitions. [2022-12-14 08:18:54,609 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6539 transitions. Word has length 208 [2022-12-14 08:18:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:18:54,610 INFO L495 AbstractCegarLoop]: Abstraction has 4786 states and 6539 transitions. [2022-12-14 08:18:54,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (29), 4 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:18:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6539 transitions. [2022-12-14 08:18:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 08:18:54,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:18:54,612 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:18:54,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 08:18:54,612 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:18:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:18:54,612 INFO L85 PathProgramCache]: Analyzing trace with hash 202146210, now seen corresponding path program 1 times [2022-12-14 08:18:54,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:18:54,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385669819] [2022-12-14 08:18:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:18:54,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:18:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:18:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-14 08:18:55,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:18:55,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385669819] [2022-12-14 08:18:55,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385669819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:18:55,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:18:55,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 08:18:55,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134955009] [2022-12-14 08:18:55,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:18:55,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 08:18:55,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:18:55,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 08:18:55,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:18:55,265 INFO L87 Difference]: Start difference. First operand 4786 states and 6539 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-14 08:18:56,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:18:58,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:01,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:03,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:05,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:07,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:09,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:11,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:13,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:17,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:19,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:19:19,165 INFO L93 Difference]: Finished difference Result 10515 states and 14405 transitions. [2022-12-14 08:19:19,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:19:19,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) Word has length 213 [2022-12-14 08:19:19,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:19:19,178 INFO L225 Difference]: With dead ends: 10515 [2022-12-14 08:19:19,178 INFO L226 Difference]: Without dead ends: 5789 [2022-12-14 08:19:19,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:19:19,188 INFO L413 NwaCegarLoop]: 1558 mSDtfsCounter, 1187 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 252 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 5403 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-12-14 08:19:19,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 5403 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1181 Invalid, 4 Unknown, 0 Unchecked, 23.7s Time] [2022-12-14 08:19:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5789 states. [2022-12-14 08:19:19,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5789 to 5704. [2022-12-14 08:19:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 3695 states have (on average 1.352638700947226) internal successors, (4998), 3781 states have internal predecessors, (4998), 1380 states have call successors, (1380), 627 states have call predecessors, (1380), 628 states have return successors, (1421), 1324 states have call predecessors, (1421), 1363 states have call successors, (1421) [2022-12-14 08:19:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 7799 transitions. [2022-12-14 08:19:19,357 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 7799 transitions. Word has length 213 [2022-12-14 08:19:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:19:19,357 INFO L495 AbstractCegarLoop]: Abstraction has 5704 states and 7799 transitions. [2022-12-14 08:19:19,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (25), 2 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-14 08:19:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 7799 transitions. [2022-12-14 08:19:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-14 08:19:19,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:19,359 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:19:19,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 08:19:19,359 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:19,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:19,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1130569156, now seen corresponding path program 1 times [2022-12-14 08:19:19,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:19,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244791174] [2022-12-14 08:19:19,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:19:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:19:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-12-14 08:19:20,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:19:20,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244791174] [2022-12-14 08:19:20,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244791174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:19:20,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:19:20,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 08:19:20,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198338062] [2022-12-14 08:19:20,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:19:20,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 08:19:20,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:19:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 08:19:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:19:20,550 INFO L87 Difference]: Start difference. First operand 5704 states and 7799 transitions. Second operand has 10 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:19:24,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:26,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:29,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:31,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:32,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:33,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:35,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:37,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:39,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:43,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:46,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:19:46,396 INFO L93 Difference]: Finished difference Result 9190 states and 12649 transitions. [2022-12-14 08:19:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:19:46,397 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) Word has length 216 [2022-12-14 08:19:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:19:46,409 INFO L225 Difference]: With dead ends: 9190 [2022-12-14 08:19:46,409 INFO L226 Difference]: Without dead ends: 6058 [2022-12-14 08:19:46,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:19:46,417 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 2426 mSDsluCounter, 5183 mSDsCounter, 0 mSdLazyCounter, 4627 mSolverCounterSat, 1209 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 6271 SdHoareTripleChecker+Invalid, 5842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1209 IncrementalHoareTripleChecker+Valid, 4627 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:19:46,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2582 Valid, 6271 Invalid, 5842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1209 Valid, 4627 Invalid, 6 Unknown, 0 Unchecked, 25.6s Time] [2022-12-14 08:19:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-12-14 08:19:46,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 5476. [2022-12-14 08:19:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5476 states, 3536 states have (on average 1.3475678733031675) internal successors, (4765), 3617 states have internal predecessors, (4765), 1323 states have call successors, (1323), 616 states have call predecessors, (1323), 616 states have return successors, (1361), 1270 states have call predecessors, (1361), 1306 states have call successors, (1361) [2022-12-14 08:19:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 7449 transitions. [2022-12-14 08:19:46,582 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 7449 transitions. Word has length 216 [2022-12-14 08:19:46,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:19:46,582 INFO L495 AbstractCegarLoop]: Abstraction has 5476 states and 7449 transitions. [2022-12-14 08:19:46,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:19:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 7449 transitions. [2022-12-14 08:19:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-14 08:19:46,584 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:19:46,584 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:19:46,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 08:19:46,585 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:19:46,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:19:46,585 INFO L85 PathProgramCache]: Analyzing trace with hash 744714978, now seen corresponding path program 1 times [2022-12-14 08:19:46,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:19:46,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338645922] [2022-12-14 08:19:46,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:19:46,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:19:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:19:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-12-14 08:19:47,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:19:47,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338645922] [2022-12-14 08:19:47,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338645922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:19:47,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:19:47,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 08:19:47,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042936580] [2022-12-14 08:19:47,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:19:47,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 08:19:47,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:19:47,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 08:19:47,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:19:47,250 INFO L87 Difference]: Start difference. First operand 5476 states and 7449 transitions. Second operand has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:19:48,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:51,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:53,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:56,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:19:59,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:01,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:03,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:05,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:07,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:10,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:12,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:20:12,957 INFO L93 Difference]: Finished difference Result 6576 states and 8938 transitions. [2022-12-14 08:20:12,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 08:20:12,957 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) Word has length 217 [2022-12-14 08:20:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:20:12,969 INFO L225 Difference]: With dead ends: 6576 [2022-12-14 08:20:12,969 INFO L226 Difference]: Without dead ends: 6291 [2022-12-14 08:20:12,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-14 08:20:12,971 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 2631 mSDsluCounter, 4763 mSDsCounter, 0 mSdLazyCounter, 4704 mSolverCounterSat, 1483 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 6193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 4704 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:20:12,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 5860 Invalid, 6193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1483 Valid, 4704 Invalid, 6 Unknown, 0 Unchecked, 25.4s Time] [2022-12-14 08:20:12,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6291 states. [2022-12-14 08:20:13,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6291 to 5464. [2022-12-14 08:20:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5464 states, 3529 states have (on average 1.3476905638991217) internal successors, (4756), 3610 states have internal predecessors, (4756), 1318 states have call successors, (1318), 616 states have call predecessors, (1318), 616 states have return successors, (1355), 1265 states have call predecessors, (1355), 1302 states have call successors, (1355) [2022-12-14 08:20:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5464 states to 5464 states and 7429 transitions. [2022-12-14 08:20:13,131 INFO L78 Accepts]: Start accepts. Automaton has 5464 states and 7429 transitions. Word has length 217 [2022-12-14 08:20:13,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:20:13,131 INFO L495 AbstractCegarLoop]: Abstraction has 5464 states and 7429 transitions. [2022-12-14 08:20:13,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 4 states have call successors, (31), 4 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 08:20:13,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5464 states and 7429 transitions. [2022-12-14 08:20:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-14 08:20:13,133 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:20:13,134 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:20:13,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 08:20:13,134 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:20:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:20:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash 818619431, now seen corresponding path program 1 times [2022-12-14 08:20:13,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:20:13,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579089184] [2022-12-14 08:20:13,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:13,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:13,703 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-14 08:20:13,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:20:13,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579089184] [2022-12-14 08:20:13,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579089184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:20:13,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:20:13,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 08:20:13,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490310452] [2022-12-14 08:20:13,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:20:13,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 08:20:13,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:20:13,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 08:20:13,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:20:13,705 INFO L87 Difference]: Start difference. First operand 5464 states and 7429 transitions. Second operand has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-14 08:20:14,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:17,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:19,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:21,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:23,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:25,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:29,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:31,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:33,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:35,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:38,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:20:40,959 INFO L93 Difference]: Finished difference Result 10785 states and 14633 transitions. [2022-12-14 08:20:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:20:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 1 states have call successors, (27) Word has length 221 [2022-12-14 08:20:40,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:20:40,970 INFO L225 Difference]: With dead ends: 10785 [2022-12-14 08:20:40,970 INFO L226 Difference]: Without dead ends: 5381 [2022-12-14 08:20:40,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 08:20:40,979 INFO L413 NwaCegarLoop]: 1357 mSDtfsCounter, 1467 mSDsluCounter, 5144 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 503 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 6501 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:20:40,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 6501 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1626 Invalid, 8 Unknown, 0 Unchecked, 27.0s Time] [2022-12-14 08:20:40,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-12-14 08:20:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 5280. [2022-12-14 08:20:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5280 states, 3397 states have (on average 1.3441271710332647) internal successors, (4566), 3468 states have internal predecessors, (4566), 1266 states have call successors, (1266), 614 states have call predecessors, (1266), 616 states have return successors, (1299), 1221 states have call predecessors, (1299), 1250 states have call successors, (1299) [2022-12-14 08:20:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 7131 transitions. [2022-12-14 08:20:41,135 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 7131 transitions. Word has length 221 [2022-12-14 08:20:41,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:20:41,136 INFO L495 AbstractCegarLoop]: Abstraction has 5280 states and 7131 transitions. [2022-12-14 08:20:41,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-14 08:20:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 7131 transitions. [2022-12-14 08:20:41,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 08:20:41,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:20:41,138 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:20:41,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 08:20:41,139 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:20:41,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:20:41,139 INFO L85 PathProgramCache]: Analyzing trace with hash 995026137, now seen corresponding path program 1 times [2022-12-14 08:20:41,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:20:41,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587186943] [2022-12-14 08:20:41,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:41,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-12-14 08:20:41,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:20:41,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587186943] [2022-12-14 08:20:41,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587186943] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:20:41,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:20:41,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 08:20:41,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173962831] [2022-12-14 08:20:41,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:20:41,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:20:41,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:20:41,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:20:41,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:20:41,587 INFO L87 Difference]: Start difference. First operand 5280 states and 7131 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 08:20:45,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:47,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:50,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 08:20:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:20:50,851 INFO L93 Difference]: Finished difference Result 5420 states and 7285 transitions. [2022-12-14 08:20:50,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:20:50,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 219 [2022-12-14 08:20:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:20:50,861 INFO L225 Difference]: With dead ends: 5420 [2022-12-14 08:20:50,861 INFO L226 Difference]: Without dead ends: 5417 [2022-12-14 08:20:50,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:20:50,863 INFO L413 NwaCegarLoop]: 1192 mSDtfsCounter, 800 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:20:50,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1737 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 287 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-12-14 08:20:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2022-12-14 08:20:51,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 5371. [2022-12-14 08:20:51,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 3445 states have (on average 1.341654571843251) internal successors, (4622), 3515 states have internal predecessors, (4622), 1287 states have call successors, (1287), 633 states have call predecessors, (1287), 638 states have return successors, (1320), 1248 states have call predecessors, (1320), 1272 states have call successors, (1320) [2022-12-14 08:20:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 7229 transitions. [2022-12-14 08:20:51,022 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 7229 transitions. Word has length 219 [2022-12-14 08:20:51,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:20:51,022 INFO L495 AbstractCegarLoop]: Abstraction has 5371 states and 7229 transitions. [2022-12-14 08:20:51,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 08:20:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 7229 transitions. [2022-12-14 08:20:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-14 08:20:51,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:20:51,025 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:20:51,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 08:20:51,025 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:20:51,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:20:51,025 INFO L85 PathProgramCache]: Analyzing trace with hash -794100808, now seen corresponding path program 1 times [2022-12-14 08:20:51,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:20:51,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444188077] [2022-12-14 08:20:51,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:51,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:20:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-14 08:20:51,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:20:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444188077] [2022-12-14 08:20:51,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444188077] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:20:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844865338] [2022-12-14 08:20:51,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:20:51,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:20:51,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:20:51,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:20:51,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1046b31a-7e78-4f7c-be75-92c5399ed38b/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:20:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:20:52,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 08:20:52,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:20:53,151 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-12-14 08:20:53,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:20:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-14 08:20:53,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844865338] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:20:53,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [7889571] [2022-12-14 08:20:53,848 INFO L159 IcfgInterpreter]: Started Sifa with 145 locations of interest [2022-12-14 08:20:53,848 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:20:53,851 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:20:53,855 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:20:53,855 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:20:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:20:58,920 INFO L217 Elim1Store]: Index analysis took 2336 ms