./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/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 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- 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 06:09:47,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:09:47,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:09:47,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:09:47,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:09:47,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:09:47,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:09:47,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:09:47,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:09:47,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:09:47,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:09:47,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:09:47,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:09:47,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:09:47,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:09:47,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:09:47,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:09:47,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:09:47,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:09:47,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:09:47,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:09:47,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:09:47,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:09:47,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:09:47,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:09:47,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:09:47,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:09:47,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:09:47,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:09:47,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:09:47,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:09:47,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:09:47,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:09:47,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:09:47,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:09:47,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:09:47,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:09:47,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:09:47,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:09:47,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:09:47,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:09:47,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:09:47,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:09:47,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:09:47,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:09:47,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:09:47,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:09:47,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:09:47,456 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:09:47,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:09:47,456 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:09:47,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:09:47,456 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:09:47,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:09:47,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:09:47,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:09:47,457 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:09:47,457 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:09:47,457 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:09:47,458 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:09:47,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:09:47,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:09:47,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:09:47,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:09:47,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:09:47,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:09:47,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:09:47,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:09:47,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:09:47,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:09:47,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:09:47,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:47,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:09:47,461 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:09:47,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:09:47,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:09:47,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:09:47,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:09:47,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:09:47,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:09:47,462 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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2022-12-14 06:09:47,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:09:47,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:09:47,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:09:47,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:09:47,678 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:09:47,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-12-14 06:09:50,287 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:09:50,674 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:09:50,675 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-12-14 06:09:50,719 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/data/3a06ae5c4/a8e35835319d4d70a6df66f2e9c18409/FLAG294387ddd [2022-12-14 06:09:50,730 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/data/3a06ae5c4/a8e35835319d4d70a6df66f2e9c18409 [2022-12-14 06:09:50,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:09:50,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:09:50,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:50,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:09:50,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:09:50,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a21367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:50, skipping insertion in model container [2022-12-14 06:09:50,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:50" (1/1) ... [2022-12-14 06:09:50,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:09:50,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:09:51,385 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:09:51,394 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:09:51,410 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 06:09:51,577 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 06:09:51,601 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:51,607 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:51,613 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:51,649 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:09:51,662 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:09:51,697 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:51,698 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 06:09:51,698 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 06:09:51,699 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 06:09:51,790 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:51,991 WARN L623 FunctionHandler]: Unknown extern function _pnfs_return_layout [2022-12-14 06:09:52,043 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:52,044 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:52,056 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:52,056 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:52,065 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:52,066 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:52,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,090 WARN L623 FunctionHandler]: Unknown extern function pnfs_write_done_resend_to_mds [2022-12-14 06:09:52,097 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,099 WARN L623 FunctionHandler]: Unknown extern function pnfs_read_done_resend_to_mds [2022-12-14 06:09:52,113 WARN L623 FunctionHandler]: Unknown extern function nfs_remove_bad_delegation [2022-12-14 06:09:52,113 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-12-14 06:09:52,114 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-12-14 06:09:52,114 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_lease_recovery [2022-12-14 06:09:52,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,115 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_session_recovery [2022-12-14 06:09:52,115 WARN L623 FunctionHandler]: Unknown extern function rpc_delay [2022-12-14 06:09:52,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,116 WARN L623 FunctionHandler]: Unknown extern function pnfs_destroy_layout [2022-12-14 06:09:52,116 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-12-14 06:09:52,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,117 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-12-14 06:09:52,118 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-12-14 06:09:52,118 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,119 WARN L623 FunctionHandler]: Unknown extern function rpc_sleep_on [2022-12-14 06:09:52,119 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up_queued_task [2022-12-14 06:09:52,125 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:52,130 WARN L623 FunctionHandler]: Unknown extern function pnfs_set_layoutcommit [2022-12-14 06:09:52,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,133 WARN L623 FunctionHandler]: Unknown extern function nfs4_test_deviceid_unavailable [2022-12-14 06:09:52,143 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,144 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,145 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:52,146 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-12-14 06:09:52,147 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,154 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-12-14 06:09:52,160 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:52,166 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:52,173 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:52,186 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:52,192 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,193 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,194 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:52,194 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-12-14 06:09:52,195 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:52,200 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-12-14 06:09:52,206 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:52,212 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:52,218 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:52,230 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:52,236 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:52,236 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:52,237 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_release [2022-12-14 06:09:52,245 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,246 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:52,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,249 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_read [2022-12-14 06:09:52,256 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:52,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,258 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_write [2022-12-14 06:09:52,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,269 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_get_deviceid [2022-12-14 06:09:52,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,273 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,287 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,294 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-12-14 06:09:52,295 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-12-14 06:09:52,295 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,296 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-12-14 06:09:52,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,299 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,302 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,304 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:52,304 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:52,311 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,311 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,319 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,332 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_test [2022-12-14 06:09:52,333 WARN L623 FunctionHandler]: Unknown extern function nfs_generic_pg_test [2022-12-14 06:09:52,341 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:52,342 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-12-14 06:09:52,342 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-12-14 06:09:52,342 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-12-14 06:09:52,349 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:52,350 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-12-14 06:09:52,350 WARN L623 FunctionHandler]: Unknown extern function nfs_init_cinfo [2022-12-14 06:09:52,351 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:52,351 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_write_mds [2022-12-14 06:09:52,363 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-12-14 06:09:52,364 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:52,376 WARN L623 FunctionHandler]: Unknown extern function nfs_request_add_commit_list [2022-12-14 06:09:52,393 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:52,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,395 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-12-14 06:09:52,400 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:09:52,401 WARN L623 FunctionHandler]: Unknown extern function __cond_resched_lock [2022-12-14 06:09:52,401 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-12-14 06:09:52,420 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:52,426 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-12-14 06:09:52,428 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-12-14 06:09:52,428 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:52,434 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-12-14 06:09:52,435 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-12-14 06:09:52,436 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-12-14 06:09:52,437 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-12-14 06:09:52,437 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-12-14 06:09:52,454 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,466 WARN L623 FunctionHandler]: Unknown extern function pnfs_register_layoutdriver [2022-12-14 06:09:52,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,470 WARN L623 FunctionHandler]: Unknown extern function pnfs_unregister_layoutdriver [2022-12-14 06:09:52,735 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_readpages [2022-12-14 06:09:52,738 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_writepages [2022-12-14 06:09:52,742 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:09:52,752 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:52,758 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:52,844 WARN L623 FunctionHandler]: Unknown extern function out_of_line_wait_on_bit [2022-12-14 06:09:52,856 WARN L623 FunctionHandler]: Unknown extern function __ipv6_addr_type [2022-12-14 06:09:52,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,895 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,917 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_ds_client [2022-12-14 06:09:52,918 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_ds_session [2022-12-14 06:09:52,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,919 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:52,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,924 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:52,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,925 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,925 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-12-14 06:09:52,926 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,926 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,932 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,937 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,938 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,939 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,939 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,947 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,948 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,949 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,949 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,951 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,951 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 06:09:52,952 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,952 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 06:09:52,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,954 WARN L623 FunctionHandler]: Unknown extern function rpc_pton [2022-12-14 06:09:52,954 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,959 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 06:09:52,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,962 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,963 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,963 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,964 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,970 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-12-14 06:09:52,970 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-12-14 06:09:52,971 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,971 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,972 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,973 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,975 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_deviceid_node [2022-12-14 06:09:52,976 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:52,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,978 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,978 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,979 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:52,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,979 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,980 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,980 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:52,980 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,987 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,987 WARN L623 FunctionHandler]: Unknown extern function nfs4_insert_deviceid_node [2022-12-14 06:09:52,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,989 WARN L623 FunctionHandler]: Unknown extern function nfs4_proc_getdeviceinfo [2022-12-14 06:09:52,990 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,990 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:52,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:52,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:52,991 WARN L623 FunctionHandler]: Unknown extern function nfs4_put_deviceid_node [2022-12-14 06:09:53,009 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:09:53,014 WARN L623 FunctionHandler]: Unknown extern function wake_up_bit [2022-12-14 06:09:53,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,016 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-12-14 06:09:53,022 WARN L623 FunctionHandler]: Unknown extern function __ldv_atomic_dec_and_lock [2022-12-14 06:09:53,079 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:53,088 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,151 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,156 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,161 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,165 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,183 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,187 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,192 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,196 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,201 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,220 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,224 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,247 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,251 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,254 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,258 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,261 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,275 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,279 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,283 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,287 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,292 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,308 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,313 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,317 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,321 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,326 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,342 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,347 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,352 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,357 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,363 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,383 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,384 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,384 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,389 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,395 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,411 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,416 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,420 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,425 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,429 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,444 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,449 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,453 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,457 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,462 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,481 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,487 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,504 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,509 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,513 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,518 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,522 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,539 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,544 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,553 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,557 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,574 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,578 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,583 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,587 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,592 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,610 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,614 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,619 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,623 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,627 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,644 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,648 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,652 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,657 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,661 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,677 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,683 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,688 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,692 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,696 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,714 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:53,737 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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-12-14 06:09:53,741 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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-12-14 06:09:53,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:53,775 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:09:53,905 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:09:53,906 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 06:09:53,906 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 06:09:53,911 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 06:09:53,912 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:53,912 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:53,913 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:09:53,914 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:09:53,914 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:09:53,915 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:53,915 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 06:09:53,915 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 06:09:53,916 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 06:09:53,918 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:53,924 WARN L623 FunctionHandler]: Unknown extern function _pnfs_return_layout [2022-12-14 06:09:53,925 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:53,926 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:53,927 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:53,927 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:53,929 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 06:09:53,929 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 06:09:53,932 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,932 WARN L623 FunctionHandler]: Unknown extern function pnfs_write_done_resend_to_mds [2022-12-14 06:09:53,935 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,936 WARN L623 FunctionHandler]: Unknown extern function pnfs_read_done_resend_to_mds [2022-12-14 06:09:53,941 WARN L623 FunctionHandler]: Unknown extern function nfs_remove_bad_delegation [2022-12-14 06:09:53,941 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-12-14 06:09:53,942 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-12-14 06:09:53,942 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_lease_recovery [2022-12-14 06:09:53,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,943 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_session_recovery [2022-12-14 06:09:53,946 WARN L623 FunctionHandler]: Unknown extern function rpc_delay [2022-12-14 06:09:53,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,947 WARN L623 FunctionHandler]: Unknown extern function pnfs_destroy_layout [2022-12-14 06:09:53,947 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-12-14 06:09:53,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,948 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-12-14 06:09:53,948 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-12-14 06:09:53,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,949 WARN L623 FunctionHandler]: Unknown extern function rpc_sleep_on [2022-12-14 06:09:53,949 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up_queued_task [2022-12-14 06:09:53,958 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:53,959 WARN L623 FunctionHandler]: Unknown extern function pnfs_set_layoutcommit [2022-12-14 06:09:53,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,960 WARN L623 FunctionHandler]: Unknown extern function nfs4_test_deviceid_unavailable [2022-12-14 06:09:53,961 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,961 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,962 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,962 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:53,966 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-12-14 06:09:53,967 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,968 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-12-14 06:09:53,970 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:53,971 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:53,983 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:53,987 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-12-14 06:09:53,988 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,989 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:53,989 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,989 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:53,993 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-12-14 06:09:53,994 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-12-14 06:09:53,994 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-12-14 06:09:53,995 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:53,997 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:54,009 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-12-14 06:09:54,015 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-12-14 06:09:54,018 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:54,018 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:54,023 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_release [2022-12-14 06:09:54,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,027 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:54,028 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,033 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_read [2022-12-14 06:09:54,035 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:54,036 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,043 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_write [2022-12-14 06:09:54,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,045 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,047 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_get_deviceid [2022-12-14 06:09:54,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,063 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,063 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,064 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,065 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-12-14 06:09:54,066 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-12-14 06:09:54,066 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,067 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-12-14 06:09:54,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,069 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,071 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,073 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:54,073 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:54,074 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,076 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,077 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,080 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_test [2022-12-14 06:09:54,080 WARN L623 FunctionHandler]: Unknown extern function nfs_generic_pg_test [2022-12-14 06:09:54,082 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:54,083 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-12-14 06:09:54,083 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-12-14 06:09:54,084 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-12-14 06:09:54,084 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:09:54,085 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-12-14 06:09:54,085 WARN L623 FunctionHandler]: Unknown extern function nfs_init_cinfo [2022-12-14 06:09:54,086 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:54,086 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_write_mds [2022-12-14 06:09:54,088 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-12-14 06:09:54,088 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:54,090 WARN L623 FunctionHandler]: Unknown extern function nfs_request_add_commit_list [2022-12-14 06:09:54,092 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-12-14 06:09:54,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,099 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-12-14 06:09:54,101 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:09:54,101 WARN L623 FunctionHandler]: Unknown extern function __cond_resched_lock [2022-12-14 06:09:54,101 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-12-14 06:09:54,104 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:54,105 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-12-14 06:09:54,106 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-12-14 06:09:54,106 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-12-14 06:09:54,108 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-12-14 06:09:54,108 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-12-14 06:09:54,111 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-12-14 06:09:54,111 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-12-14 06:09:54,111 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-12-14 06:09:54,112 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,114 WARN L623 FunctionHandler]: Unknown extern function pnfs_register_layoutdriver [2022-12-14 06:09:54,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,114 WARN L623 FunctionHandler]: Unknown extern function pnfs_unregister_layoutdriver [2022-12-14 06:09:54,121 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_readpages [2022-12-14 06:09:54,123 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_writepages [2022-12-14 06:09:54,124 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:09:54,128 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:54,129 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:54,130 WARN L623 FunctionHandler]: Unknown extern function out_of_line_wait_on_bit [2022-12-14 06:09:54,131 WARN L623 FunctionHandler]: Unknown extern function __ipv6_addr_type [2022-12-14 06:09:54,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,134 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,138 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_ds_client [2022-12-14 06:09:54,138 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_ds_session [2022-12-14 06:09:54,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,139 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:54,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,140 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-12-14 06:09:54,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,141 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,141 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,141 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-12-14 06:09:54,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,144 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,146 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,146 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,147 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,148 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,149 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,149 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,150 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,151 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 06:09:54,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,152 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 06:09:54,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,153 WARN L623 FunctionHandler]: Unknown extern function rpc_pton [2022-12-14 06:09:54,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,155 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 06:09:54,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,159 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-12-14 06:09:54,159 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-12-14 06:09:54,159 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,160 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,160 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,161 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,163 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_deviceid_node [2022-12-14 06:09:54,174 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-12-14 06:09:54,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,175 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,176 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,176 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:54,176 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,176 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,177 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,177 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:54,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,178 WARN L623 FunctionHandler]: Unknown extern function nfs4_insert_deviceid_node [2022-12-14 06:09:54,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,181 WARN L623 FunctionHandler]: Unknown extern function nfs4_proc_getdeviceinfo [2022-12-14 06:09:54,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,181 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:09:54,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:09:54,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,182 WARN L623 FunctionHandler]: Unknown extern function nfs4_put_deviceid_node [2022-12-14 06:09:54,184 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:09:54,184 WARN L623 FunctionHandler]: Unknown extern function wake_up_bit [2022-12-14 06:09:54,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:09:54,195 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-12-14 06:09:54,200 WARN L623 FunctionHandler]: Unknown extern function __ldv_atomic_dec_and_lock [2022-12-14 06:09:54,203 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:09:54,203 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,207 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,207 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,207 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,208 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,208 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,209 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,210 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,210 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,211 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,212 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,212 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,213 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,214 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,215 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,216 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,217 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,217 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,218 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,218 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,218 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,219 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,219 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,219 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,220 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,220 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,220 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,221 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,222 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,222 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,223 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,223 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,223 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,223 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,224 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,224 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,225 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,225 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,225 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,226 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,226 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,226 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,227 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,227 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,227 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,228 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,229 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,230 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,231 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,231 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,232 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,233 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,234 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,235 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,235 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,235 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,236 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,237 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,238 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,239 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,240 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:09:54,241 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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2022-12-14 06:09:54,241 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_2e707bcc-d2da-468e-85e2-a6e211d7db5e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2022-12-14 06:09:54,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:54,391 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:09:54,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54 WrapperNode [2022-12-14 06:09:54,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:54,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:54,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:09:54,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:09:54,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,543 INFO L138 Inliner]: procedures = 518, calls = 2128, calls flagged for inlining = 214, calls inlined = 173, statements flattened = 5322 [2022-12-14 06:09:54,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:54,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:09:54,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:09:54,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:09:54,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,694 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:09:54,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:09:54,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:09:54,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:09:54,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (1/1) ... [2022-12-14 06:09:54,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:54,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:09:54,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:09:54,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e707bcc-d2da-468e-85e2-a6e211d7db5e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:09:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-12-14 06:09:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-12-14 06:09:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-14 06:09:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-12-14 06:09:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-12-14 06:09:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-12-14 06:09:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-12-14 06:09:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-12-14 06:09:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-12-14 06:09:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 06:09:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 06:09:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-12-14 06:09:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104 [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104 [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_104___0 [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_104___0 [2022-12-14 06:09:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 06:09:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 06:09:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-12-14 06:09:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 06:09:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 06:09:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 06:09:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 06:09:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-12-14 06:09:54,798 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-12-14 06:09:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-14 06:09:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-14 06:09:54,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:09:54,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:09:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-12-14 06:09:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-12-14 06:09:54,801 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-12-14 06:09:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-12-14 06:09:54,802 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-12-14 06:09:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:09:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:09:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-12-14 06:09:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 06:09:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 06:09:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 06:09:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 06:09:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 06:09:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 06:09:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_103 [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_103 [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-12-14 06:09:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-12-14 06:09:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 06:09:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-12-14 06:09:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-12-14 06:09:55,463 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:09:55,466 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:09:55,864 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 06:09:57,931 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 06:09:58,052 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:09:58,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:09:58,723 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:09:58,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:58 BoogieIcfgContainer [2022-12-14 06:09:58,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:09:58,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:09:58,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:09:58,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:09:58,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:09:50" (1/3) ... [2022-12-14 06:09:58,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c935b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:58, skipping insertion in model container [2022-12-14 06:09:58,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:54" (2/3) ... [2022-12-14 06:09:58,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65c935b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:58, skipping insertion in model container [2022-12-14 06:09:58,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:58" (3/3) ... [2022-12-14 06:09:58,732 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-12-14 06:09:58,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:09:58,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:09:58,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:09:58,828 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;@6cd7de1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:09:58,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:09:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 1743 states, 1016 states have (on average 1.3031496062992125) internal successors, (1324), 1064 states have internal predecessors, (1324), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) [2022-12-14 06:09:58,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-12-14 06:09:58,865 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:58,867 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:09:58,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:09:58,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1216761315, now seen corresponding path program 1 times [2022-12-14 06:09:58,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:58,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152202378] [2022-12-14 06:09:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:58,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-12-14 06:09:59,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:59,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152202378] [2022-12-14 06:09:59,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152202378] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:59,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:59,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:59,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945965811] [2022-12-14 06:09:59,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:59,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:59,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:59,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:59,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:59,523 INFO L87 Difference]: Start difference. First operand has 1743 states, 1016 states have (on average 1.3031496062992125) internal successors, (1324), 1064 states have internal predecessors, (1324), 602 states have call successors, (602), 125 states have call predecessors, (602), 124 states have return successors, (596), 573 states have call predecessors, (596), 596 states have call successors, (596) Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 06:10:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:00,752 INFO L93 Difference]: Finished difference Result 5020 states and 7335 transitions. [2022-12-14 06:10:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:00,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 366 [2022-12-14 06:10:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:00,790 INFO L225 Difference]: With dead ends: 5020 [2022-12-14 06:10:00,790 INFO L226 Difference]: Without dead ends: 3281 [2022-12-14 06:10:00,806 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 06:10:00,809 INFO L413 NwaCegarLoop]: 2755 mSDtfsCounter, 2304 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2304 SdHoareTripleChecker+Valid, 4923 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:00,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2304 Valid, 4923 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:10:00,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2022-12-14 06:10:01,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 3277. [2022-12-14 06:10:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 1940 states have (on average 1.2974226804123712) internal successors, (2517), 2036 states have internal predecessors, (2517), 1092 states have call successors, (1092), 244 states have call predecessors, (1092), 244 states have return successors, (1092), 1044 states have call predecessors, (1092), 1092 states have call successors, (1092) [2022-12-14 06:10:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4701 transitions. [2022-12-14 06:10:01,077 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4701 transitions. Word has length 366 [2022-12-14 06:10:01,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:01,078 INFO L495 AbstractCegarLoop]: Abstraction has 3277 states and 4701 transitions. [2022-12-14 06:10:01,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 06:10:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4701 transitions. [2022-12-14 06:10:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-12-14 06:10:01,088 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:01,088 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:10:01,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:01,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash 308934839, now seen corresponding path program 1 times [2022-12-14 06:10:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:01,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378066283] [2022-12-14 06:10:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:01,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-12-14 06:10:01,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:01,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378066283] [2022-12-14 06:10:01,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378066283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:01,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:01,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:01,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802668326] [2022-12-14 06:10:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:01,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:01,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:01,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:01,443 INFO L87 Difference]: Start difference. First operand 3277 states and 4701 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 06:10:02,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:02,855 INFO L93 Difference]: Finished difference Result 8809 states and 12574 transitions. [2022-12-14 06:10:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:02,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 367 [2022-12-14 06:10:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:02,891 INFO L225 Difference]: With dead ends: 8809 [2022-12-14 06:10:02,891 INFO L226 Difference]: Without dead ends: 5601 [2022-12-14 06:10:02,906 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 06:10:02,907 INFO L413 NwaCegarLoop]: 3481 mSDtfsCounter, 2240 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 5587 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:02,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 5587 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 06:10:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2022-12-14 06:10:03,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 5597. [2022-12-14 06:10:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 3299 states have (on average 1.292209760533495) internal successors, (4263), 3476 states have internal predecessors, (4263), 1850 states have call successors, (1850), 447 states have call predecessors, (1850), 447 states have return successors, (1850), 1753 states have call predecessors, (1850), 1850 states have call successors, (1850) [2022-12-14 06:10:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 7963 transitions. [2022-12-14 06:10:03,128 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 7963 transitions. Word has length 367 [2022-12-14 06:10:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:03,129 INFO L495 AbstractCegarLoop]: Abstraction has 5597 states and 7963 transitions. [2022-12-14 06:10:03,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 06:10:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 7963 transitions. [2022-12-14 06:10:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-12-14 06:10:03,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:03,136 INFO L195 NwaCegarLoop]: trace histogram [36, 34, 34, 34, 34, 34, 34, 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, 1, 1, 1] [2022-12-14 06:10:03,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:10:03,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash 280781362, now seen corresponding path program 1 times [2022-12-14 06:10:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:03,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53185829] [2022-12-14 06:10:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:03,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4629 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4626 trivial. 0 not checked. [2022-12-14 06:10:03,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:03,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53185829] [2022-12-14 06:10:03,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53185829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:03,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:03,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:03,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93996710] [2022-12-14 06:10:03,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:03,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:03,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:03,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:03,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:03,377 INFO L87 Difference]: Start difference. First operand 5597 states and 7963 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 06:10:04,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:04,375 INFO L93 Difference]: Finished difference Result 11870 states and 16820 transitions. [2022-12-14 06:10:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:04,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 383 [2022-12-14 06:10:04,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:04,404 INFO L225 Difference]: With dead ends: 11870 [2022-12-14 06:10:04,404 INFO L226 Difference]: Without dead ends: 6342 [2022-12-14 06:10:04,420 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 06:10:04,420 INFO L413 NwaCegarLoop]: 2377 mSDtfsCounter, 983 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:04,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [983 Valid, 4498 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 06:10:04,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6342 states. [2022-12-14 06:10:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6342 to 6340. [2022-12-14 06:10:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6340 states, 3726 states have (on average 1.2863660762211486) internal successors, (4793), 3933 states have internal predecessors, (4793), 2080 states have call successors, (2080), 533 states have call predecessors, (2080), 533 states have return successors, (2080), 1961 states have call predecessors, (2080), 2080 states have call successors, (2080) [2022-12-14 06:10:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6340 states to 6340 states and 8953 transitions. [2022-12-14 06:10:04,640 INFO L78 Accepts]: Start accepts. Automaton has 6340 states and 8953 transitions. Word has length 383 [2022-12-14 06:10:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:04,640 INFO L495 AbstractCegarLoop]: Abstraction has 6340 states and 8953 transitions. [2022-12-14 06:10:04,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-12-14 06:10:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6340 states and 8953 transitions. [2022-12-14 06:10:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-12-14 06:10:04,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:04,648 INFO L195 NwaCegarLoop]: trace histogram [36, 35, 35, 35, 35, 35, 35, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:10:04,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:10:04,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:04,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:04,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1145845573, now seen corresponding path program 1 times [2022-12-14 06:10:04,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:04,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389412240] [2022-12-14 06:10:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:04,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:04,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4832 trivial. 0 not checked. [2022-12-14 06:10:04,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:04,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389412240] [2022-12-14 06:10:04,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389412240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:04,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:04,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:04,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830096239] [2022-12-14 06:10:04,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:04,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:04,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:04,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:04,919 INFO L87 Difference]: Start difference. First operand 6340 states and 8953 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:06,201 INFO L93 Difference]: Finished difference Result 17989 states and 25405 transitions. [2022-12-14 06:10:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:06,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 403 [2022-12-14 06:10:06,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:06,288 INFO L225 Difference]: With dead ends: 17989 [2022-12-14 06:10:06,289 INFO L226 Difference]: Without dead ends: 11718 [2022-12-14 06:10:06,318 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 06:10:06,319 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 2280 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:06,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 4793 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:10:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11718 states. [2022-12-14 06:10:06,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11718 to 11708. [2022-12-14 06:10:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11708 states, 6903 states have (on average 1.2877009995654063) internal successors, (8889), 7295 states have internal predecessors, (8889), 3816 states have call successors, (3816), 988 states have call predecessors, (3816), 988 states have return successors, (3816), 3592 states have call predecessors, (3816), 3816 states have call successors, (3816) [2022-12-14 06:10:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11708 states to 11708 states and 16521 transitions. [2022-12-14 06:10:06,764 INFO L78 Accepts]: Start accepts. Automaton has 11708 states and 16521 transitions. Word has length 403 [2022-12-14 06:10:06,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:06,765 INFO L495 AbstractCegarLoop]: Abstraction has 11708 states and 16521 transitions. [2022-12-14 06:10:06,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 11708 states and 16521 transitions. [2022-12-14 06:10:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-12-14 06:10:06,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:06,773 INFO L195 NwaCegarLoop]: trace histogram [36, 35, 35, 35, 35, 35, 35, 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, 1, 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 06:10:06,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:10:06,773 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1454032824, now seen corresponding path program 1 times [2022-12-14 06:10:06,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:06,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864705359] [2022-12-14 06:10:06,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4832 trivial. 0 not checked. [2022-12-14 06:10:07,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:07,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864705359] [2022-12-14 06:10:07,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864705359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:07,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:07,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:07,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010703829] [2022-12-14 06:10:07,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:07,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:07,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:07,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:07,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:07,029 INFO L87 Difference]: Start difference. First operand 11708 states and 16521 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:10:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:08,447 INFO L93 Difference]: Finished difference Result 33991 states and 47952 transitions. [2022-12-14 06:10:08,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:08,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 407 [2022-12-14 06:10:08,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:08,513 INFO L225 Difference]: With dead ends: 33991 [2022-12-14 06:10:08,513 INFO L226 Difference]: Without dead ends: 22352 [2022-12-14 06:10:08,541 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 06:10:08,542 INFO L413 NwaCegarLoop]: 2714 mSDtfsCounter, 2281 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 4835 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:08,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 4835 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:10:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22352 states. [2022-12-14 06:10:09,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22352 to 22342. [2022-12-14 06:10:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22342 states, 13203 states have (on average 1.2875861546618192) internal successors, (17000), 13965 states have internal predecessors, (17000), 7240 states have call successors, (7240), 1898 states have call predecessors, (7240), 1898 states have return successors, (7240), 6806 states have call predecessors, (7240), 7240 states have call successors, (7240) [2022-12-14 06:10:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22342 states to 22342 states and 31480 transitions. [2022-12-14 06:10:09,567 INFO L78 Accepts]: Start accepts. Automaton has 22342 states and 31480 transitions. Word has length 407 [2022-12-14 06:10:09,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:09,568 INFO L495 AbstractCegarLoop]: Abstraction has 22342 states and 31480 transitions. [2022-12-14 06:10:09,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:10:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22342 states and 31480 transitions. [2022-12-14 06:10:09,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-12-14 06:10:09,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:09,576 INFO L195 NwaCegarLoop]: trace histogram [36, 35, 35, 35, 35, 35, 35, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:09,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:10:09,576 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:09,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:09,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2071086904, now seen corresponding path program 1 times [2022-12-14 06:10:09,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:09,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265419007] [2022-12-14 06:10:09,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:09,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4836 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4836 trivial. 0 not checked. [2022-12-14 06:10:09,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:09,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265419007] [2022-12-14 06:10:09,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265419007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:09,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:09,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:09,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47413550] [2022-12-14 06:10:09,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:09,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:09,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:09,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:09,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:09,881 INFO L87 Difference]: Start difference. First operand 22342 states and 31480 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:10:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:11,761 INFO L93 Difference]: Finished difference Result 63919 states and 90138 transitions. [2022-12-14 06:10:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:11,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 410 [2022-12-14 06:10:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:11,933 INFO L225 Difference]: With dead ends: 63919 [2022-12-14 06:10:11,933 INFO L226 Difference]: Without dead ends: 41646 [2022-12-14 06:10:11,988 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 06:10:11,988 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 2282 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 5194 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:11,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 5194 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:10:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41646 states. [2022-12-14 06:10:13,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41646 to 41636. [2022-12-14 06:10:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41636 states, 24718 states have (on average 1.287766000485476) internal successors, (31831), 26101 states have internal predecessors, (31831), 13418 states have call successors, (13418), 3499 states have call predecessors, (13418), 3499 states have return successors, (13418), 12657 states have call predecessors, (13418), 13418 states have call successors, (13418) [2022-12-14 06:10:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41636 states to 41636 states and 58667 transitions. [2022-12-14 06:10:13,746 INFO L78 Accepts]: Start accepts. Automaton has 41636 states and 58667 transitions. Word has length 410 [2022-12-14 06:10:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:13,747 INFO L495 AbstractCegarLoop]: Abstraction has 41636 states and 58667 transitions. [2022-12-14 06:10:13,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:10:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 41636 states and 58667 transitions. [2022-12-14 06:10:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-12-14 06:10:13,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:13,753 INFO L195 NwaCegarLoop]: trace histogram [38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:13,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:10:13,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1410993867, now seen corresponding path program 1 times [2022-12-14 06:10:13,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:13,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695958878] [2022-12-14 06:10:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:13,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4791 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4784 trivial. 0 not checked. [2022-12-14 06:10:13,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:13,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695958878] [2022-12-14 06:10:13,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695958878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:13,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:13,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:13,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309429164] [2022-12-14 06:10:13,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:13,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:13,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:13,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:13,975 INFO L87 Difference]: Start difference. First operand 41636 states and 58667 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:16,619 INFO L93 Difference]: Finished difference Result 100167 states and 140905 transitions. [2022-12-14 06:10:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:16,620 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-12-14 06:10:16,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:16,878 INFO L225 Difference]: With dead ends: 100167 [2022-12-14 06:10:16,879 INFO L226 Difference]: Without dead ends: 58647 [2022-12-14 06:10:17,007 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 06:10:17,008 INFO L413 NwaCegarLoop]: 3214 mSDtfsCounter, 2240 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:17,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 5318 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 06:10:17,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58647 states. [2022-12-14 06:10:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58647 to 58629. [2022-12-14 06:10:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58629 states, 34722 states have (on average 1.2848050227521457) internal successors, (44611), 36730 states have internal predecessors, (44611), 18851 states have call successors, (18851), 5055 states have call predecessors, (18851), 5055 states have return successors, (18851), 17709 states have call predecessors, (18851), 18851 states have call successors, (18851) [2022-12-14 06:10:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58629 states to 58629 states and 82313 transitions. [2022-12-14 06:10:18,944 INFO L78 Accepts]: Start accepts. Automaton has 58629 states and 82313 transitions. Word has length 411 [2022-12-14 06:10:18,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:18,944 INFO L495 AbstractCegarLoop]: Abstraction has 58629 states and 82313 transitions. [2022-12-14 06:10:18,944 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, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 58629 states and 82313 transitions. [2022-12-14 06:10:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-12-14 06:10:18,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:18,950 INFO L195 NwaCegarLoop]: trace histogram [38, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:18,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:10:18,950 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1417306977, now seen corresponding path program 1 times [2022-12-14 06:10:18,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:18,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451744418] [2022-12-14 06:10:18,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:19,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4791 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4784 trivial. 0 not checked. [2022-12-14 06:10:19,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:19,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451744418] [2022-12-14 06:10:19,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451744418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:19,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:19,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:10:19,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090394313] [2022-12-14 06:10:19,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:19,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:10:19,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:10:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:10:19,185 INFO L87 Difference]: Start difference. First operand 58629 states and 82313 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:22,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:22,580 INFO L93 Difference]: Finished difference Result 139114 states and 194823 transitions. [2022-12-14 06:10:22,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:10:22,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 412 [2022-12-14 06:10:22,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:22,863 INFO L225 Difference]: With dead ends: 139114 [2022-12-14 06:10:22,863 INFO L226 Difference]: Without dead ends: 80601 [2022-12-14 06:10:22,996 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 06:10:22,996 INFO L413 NwaCegarLoop]: 3271 mSDtfsCounter, 2239 mSDsluCounter, 2104 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:22,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 5375 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 06:10:23,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80601 states. [2022-12-14 06:10:25,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80601 to 80583. [2022-12-14 06:10:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80583 states, 47567 states have (on average 1.2806988037925453) internal successors, (60919), 50441 states have internal predecessors, (60919), 25817 states have call successors, (25817), 7198 states have call predecessors, (25817), 7198 states have return successors, (25817), 24109 states have call predecessors, (25817), 25817 states have call successors, (25817) [2022-12-14 06:10:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80583 states to 80583 states and 112553 transitions. [2022-12-14 06:10:25,540 INFO L78 Accepts]: Start accepts. Automaton has 80583 states and 112553 transitions. Word has length 412 [2022-12-14 06:10:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:25,540 INFO L495 AbstractCegarLoop]: Abstraction has 80583 states and 112553 transitions. [2022-12-14 06:10:25,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 06:10:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 80583 states and 112553 transitions. [2022-12-14 06:10:25,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-12-14 06:10:25,549 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:25,549 INFO L195 NwaCegarLoop]: trace histogram [40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:25,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:10:25,549 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:25,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1429268096, now seen corresponding path program 1 times [2022-12-14 06:10:25,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:25,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995694662] [2022-12-14 06:10:25,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:25,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:25,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4961 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4941 trivial. 0 not checked. [2022-12-14 06:10:25,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:25,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995694662] [2022-12-14 06:10:25,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995694662] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:25,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:25,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:10:25,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636153753] [2022-12-14 06:10:25,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:10:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:25,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:10:25,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:10:25,928 INFO L87 Difference]: Start difference. First operand 80583 states and 112553 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:10:34,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:34,695 INFO L93 Difference]: Finished difference Result 283307 states and 394805 transitions. [2022-12-14 06:10:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:34,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2022-12-14 06:10:34,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:35,448 INFO L225 Difference]: With dead ends: 283307 [2022-12-14 06:10:35,448 INFO L226 Difference]: Without dead ends: 202840 [2022-12-14 06:10:35,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:35,663 INFO L413 NwaCegarLoop]: 3661 mSDtfsCounter, 7087 mSDsluCounter, 4961 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 2345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7087 SdHoareTripleChecker+Valid, 8622 SdHoareTripleChecker+Invalid, 3323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:35,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7087 Valid, 8622 Invalid, 3323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2345 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 06:10:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202840 states. [2022-12-14 06:10:43,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202840 to 202626. [2022-12-14 06:10:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202626 states, 119318 states have (on average 1.2779882331249266) internal successors, (152487), 126452 states have internal predecessors, (152487), 64831 states have call successors, (64831), 18476 states have call predecessors, (64831), 18476 states have return successors, (64831), 60629 states have call predecessors, (64831), 64831 states have call successors, (64831) [2022-12-14 06:10:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202626 states to 202626 states and 282149 transitions. [2022-12-14 06:10:44,228 INFO L78 Accepts]: Start accepts. Automaton has 202626 states and 282149 transitions. Word has length 429 [2022-12-14 06:10:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:44,229 INFO L495 AbstractCegarLoop]: Abstraction has 202626 states and 282149 transitions. [2022-12-14 06:10:44,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:10:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 202626 states and 282149 transitions. [2022-12-14 06:10:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 06:10:44,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:44,242 INFO L195 NwaCegarLoop]: trace histogram [40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:10:44,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:10:44,242 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:10:44,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:44,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2062797572, now seen corresponding path program 1 times [2022-12-14 06:10:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:44,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347968371] [2022-12-14 06:10:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:44,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4962 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4941 trivial. 0 not checked. [2022-12-14 06:10:44,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:44,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347968371] [2022-12-14 06:10:44,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347968371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:44,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:44,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:10:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473010304] [2022-12-14 06:10:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:10:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:10:44,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:10:44,661 INFO L87 Difference]: Start difference. First operand 202626 states and 282149 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:10:55,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:55,808 INFO L93 Difference]: Finished difference Result 459048 states and 637869 transitions. [2022-12-14 06:10:55,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:10:55,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 431 [2022-12-14 06:10:55,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:56,988 INFO L225 Difference]: With dead ends: 459048 [2022-12-14 06:10:56,988 INFO L226 Difference]: Without dead ends: 256538 [2022-12-14 06:10:57,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:57,459 INFO L413 NwaCegarLoop]: 3660 mSDtfsCounter, 7086 mSDsluCounter, 4957 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 2345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7086 SdHoareTripleChecker+Valid, 8617 SdHoareTripleChecker+Invalid, 3323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2345 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:57,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7086 Valid, 8617 Invalid, 3323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2345 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 06:10:57,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256538 states. [2022-12-14 06:11:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256538 to 256260. [2022-12-14 06:11:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256260 states, 150508 states have (on average 1.2755135939617828) internal successors, (191975), 159734 states have internal predecessors, (191975), 81781 states have call successors, (81781), 23970 states have call predecessors, (81781), 23970 states have return successors, (81781), 76199 states have call predecessors, (81781), 81781 states have call successors, (81781) [2022-12-14 06:11:08,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256260 states to 256260 states and 355537 transitions. [2022-12-14 06:11:08,399 INFO L78 Accepts]: Start accepts. Automaton has 256260 states and 355537 transitions. Word has length 431 [2022-12-14 06:11:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:08,400 INFO L495 AbstractCegarLoop]: Abstraction has 256260 states and 355537 transitions. [2022-12-14 06:11:08,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 06:11:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 256260 states and 355537 transitions. [2022-12-14 06:11:08,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 06:11:08,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:08,420 INFO L195 NwaCegarLoop]: trace histogram [40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:11:08,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:11:08,420 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:11:08,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:08,420 INFO L85 PathProgramCache]: Analyzing trace with hash -391957852, now seen corresponding path program 1 times [2022-12-14 06:11:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:08,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655876153] [2022-12-14 06:11:08,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:08,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4962 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4945 trivial. 0 not checked. [2022-12-14 06:11:08,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:08,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655876153] [2022-12-14 06:11:08,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655876153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:08,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:08,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:11:08,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930595252] [2022-12-14 06:11:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:08,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:11:08,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:08,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:11:08,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:11:08,795 INFO L87 Difference]: Start difference. First operand 256260 states and 355537 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:11:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:22,364 INFO L93 Difference]: Finished difference Result 566276 states and 784863 transitions. [2022-12-14 06:11:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:11:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 437 [2022-12-14 06:11:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:23,686 INFO L225 Difference]: With dead ends: 566276 [2022-12-14 06:11:23,686 INFO L226 Difference]: Without dead ends: 310132 [2022-12-14 06:11:24,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:11:24,300 INFO L413 NwaCegarLoop]: 4085 mSDtfsCounter, 2278 mSDsluCounter, 5134 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:24,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2278 Valid, 9219 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-14 06:11:24,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310132 states. [2022-12-14 06:11:36,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310132 to 310114. [2022-12-14 06:11:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310114 states, 182054 states have (on average 1.2743197073395807) internal successors, (231995), 193370 states have internal predecessors, (231995), 98607 states have call successors, (98607), 29452 states have call predecessors, (98607), 29452 states have return successors, (98607), 91647 states have call predecessors, (98607), 98607 states have call successors, (98607) [2022-12-14 06:11:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310114 states to 310114 states and 429209 transitions. [2022-12-14 06:11:37,682 INFO L78 Accepts]: Start accepts. Automaton has 310114 states and 429209 transitions. Word has length 437 [2022-12-14 06:11:37,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:37,683 INFO L495 AbstractCegarLoop]: Abstraction has 310114 states and 429209 transitions. [2022-12-14 06:11:37,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:11:37,683 INFO L276 IsEmpty]: Start isEmpty. Operand 310114 states and 429209 transitions. [2022-12-14 06:11:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-12-14 06:11:37,698 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:37,698 INFO L195 NwaCegarLoop]: trace histogram [40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:11:37,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:11:37,698 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:11:37,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:37,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1407686813, now seen corresponding path program 1 times [2022-12-14 06:11:37,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:37,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746985776] [2022-12-14 06:11:37,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:37,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4963 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4945 trivial. 0 not checked. [2022-12-14 06:11:37,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:37,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746985776] [2022-12-14 06:11:37,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746985776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:37,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:37,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:11:37,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327706293] [2022-12-14 06:11:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:37,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:11:37,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:11:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:11:37,956 INFO L87 Difference]: Start difference. First operand 310114 states and 429209 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:11:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:53,900 INFO L93 Difference]: Finished difference Result 683493 states and 944711 transitions. [2022-12-14 06:11:53,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 06:11:53,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 439 [2022-12-14 06:11:53,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:55,493 INFO L225 Difference]: With dead ends: 683493 [2022-12-14 06:11:55,493 INFO L226 Difference]: Without dead ends: 373495 [2022-12-14 06:11:56,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:11:56,405 INFO L413 NwaCegarLoop]: 4104 mSDtfsCounter, 2277 mSDsluCounter, 5134 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 9238 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:56,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 9238 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2611 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-14 06:11:56,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373495 states. [2022-12-14 06:12:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373495 to 373477. [2022-12-14 06:12:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373477 states, 218966 states have (on average 1.2718823927002365) internal successors, (278499), 232824 states have internal predecessors, (278499), 118411 states have call successors, (118411), 36099 states have call predecessors, (118411), 36099 states have return successors, (118411), 109733 states have call predecessors, (118411), 118411 states have call successors, (118411) [2022-12-14 06:12:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373477 states to 373477 states and 515321 transitions. [2022-12-14 06:12:12,345 INFO L78 Accepts]: Start accepts. Automaton has 373477 states and 515321 transitions. Word has length 439 [2022-12-14 06:12:12,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:12,345 INFO L495 AbstractCegarLoop]: Abstraction has 373477 states and 515321 transitions. [2022-12-14 06:12:12,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 06:12:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand 373477 states and 515321 transitions. [2022-12-14 06:12:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-12-14 06:12:12,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:12,362 INFO L195 NwaCegarLoop]: trace histogram [39, 35, 35, 35, 35, 35, 35, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:12:12,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:12:12,363 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:12:12,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:12,363 INFO L85 PathProgramCache]: Analyzing trace with hash -184228430, now seen corresponding path program 1 times [2022-12-14 06:12:12,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:12,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168089260] [2022-12-14 06:12:12,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:12,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5072 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5065 trivial. 0 not checked. [2022-12-14 06:12:12,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:12,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168089260] [2022-12-14 06:12:12,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168089260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:12,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:12,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:12:12,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291220426] [2022-12-14 06:12:12,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:12,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:12:12,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:12,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:12:12,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:12:12,593 INFO L87 Difference]: Start difference. First operand 373477 states and 515321 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 06:12:32,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:32,848 INFO L93 Difference]: Finished difference Result 918923 states and 1268279 transitions. [2022-12-14 06:12:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:12:32,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 447 [2022-12-14 06:12:32,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:35,438 INFO L225 Difference]: With dead ends: 918923 [2022-12-14 06:12:35,438 INFO L226 Difference]: Without dead ends: 545562 [2022-12-14 06:12:36,711 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 06:12:36,711 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 2279 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 5765 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:36,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 5765 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 06:12:37,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545562 states. [2022-12-14 06:12:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545562 to 545510. [2022-12-14 06:12:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545510 states, 320228 states have (on average 1.2715721298574765) internal successors, (407193), 340378 states have internal predecessors, (407193), 172535 states have call successors, (172535), 52746 states have call predecessors, (172535), 52746 states have return successors, (172535), 159993 states have call predecessors, (172535), 172535 states have call successors, (172535) [2022-12-14 06:13:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545510 states to 545510 states and 752263 transitions. [2022-12-14 06:13:00,667 INFO L78 Accepts]: Start accepts. Automaton has 545510 states and 752263 transitions. Word has length 447 [2022-12-14 06:13:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:13:00,667 INFO L495 AbstractCegarLoop]: Abstraction has 545510 states and 752263 transitions. [2022-12-14 06:13:00,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 06:13:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 545510 states and 752263 transitions. [2022-12-14 06:13:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-12-14 06:13:00,694 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:13:00,694 INFO L195 NwaCegarLoop]: trace histogram [39, 35, 35, 35, 35, 35, 35, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:13:00,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:13:00,695 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:13:00,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:13:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash -2057537627, now seen corresponding path program 1 times [2022-12-14 06:13:00,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:13:00,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020616392] [2022-12-14 06:13:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:13:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:13:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:13:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5072 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5065 trivial. 0 not checked. [2022-12-14 06:13:01,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:13:01,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020616392] [2022-12-14 06:13:01,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020616392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:13:01,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:13:01,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:13:01,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214526435] [2022-12-14 06:13:01,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:13:01,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:13:01,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:13:01,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:13:01,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:13:01,061 INFO L87 Difference]: Start difference. First operand 545510 states and 752263 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)