./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/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_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/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_3c387fe3-247d-49ef-8089-65bfb949af4c/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 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- 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 14:43:31,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:43:31,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:43:31,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:43:31,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:43:31,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:43:31,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:43:31,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:43:31,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:43:31,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:43:31,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:43:31,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:43:31,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:43:31,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:43:31,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:43:31,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:43:31,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:43:31,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:43:31,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:43:31,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:43:31,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:43:31,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:43:31,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:43:31,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:43:31,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:43:31,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:43:31,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:43:31,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:43:31,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:43:31,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:43:31,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:43:31,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:43:31,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:43:31,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:43:31,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:43:31,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:43:31,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:43:31,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:43:31,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:43:31,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:43:31,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:43:31,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:43:31,194 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:43:31,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:43:31,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:43:31,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:43:31,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:43:31,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:43:31,196 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:43:31,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:43:31,196 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:43:31,197 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:43:31,197 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:43:31,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:43:31,197 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:43:31,197 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:43:31,198 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:43:31,198 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:43:31,198 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:43:31,198 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:43:31,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:43:31,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:43:31,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:43:31,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:43:31,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:43:31,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:43:31,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:43:31,200 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:43:31,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:43:31,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:43:31,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:43:31,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:31,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:43:31,201 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:43:31,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:43:31,203 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_3c387fe3-247d-49ef-8089-65bfb949af4c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-12-14 14:43:31,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:43:31,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:43:31,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:43:31,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:43:31,414 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:43:31,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-12-14 14:43:33,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:43:34,393 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:43:34,393 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-12-14 14:43:34,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/data/c5ace1c8b/345d01b069e84bc5885df6d596e2ef63/FLAGcea1fad05 [2022-12-14 14:43:34,530 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/data/c5ace1c8b/345d01b069e84bc5885df6d596e2ef63 [2022-12-14 14:43:34,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:43:34,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:43:34,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:34,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:43:34,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:43:34,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:34" (1/1) ... [2022-12-14 14:43:34,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d27e49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:34, skipping insertion in model container [2022-12-14 14:43:34,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:43:34" (1/1) ... [2022-12-14 14:43:34,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:43:34,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:43:35,424 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 14:43:35,491 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:43:35,499 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:43:35,510 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:43:35,517 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:43:35,624 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 14:43:35,646 WARN L623 FunctionHandler]: Unknown extern function __put_net [2022-12-14 14:43:35,702 WARN L623 FunctionHandler]: Unknown extern function __nlmsg_put [2022-12-14 14:43:35,716 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,721 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,768 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,769 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:35,769 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:35,779 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,779 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:35,780 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:35,792 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,793 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:35,794 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,794 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:35,807 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:43:35,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:43:35,820 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:43:35,821 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:43:35,859 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-12-14 14:43:35,859 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-12-14 14:43:35,864 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:43:35,865 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:43:35,866 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_unicast [2022-12-14 14:43:35,874 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,875 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,881 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,883 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,884 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-12-14 14:43:35,884 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:35,886 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 14:43:35,886 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 14:43:35,889 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:43:35,889 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:43:35,890 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:43:35,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:35,899 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 14:43:35,916 WARN L623 FunctionHandler]: Unknown extern function nf_log_bind_pf [2022-12-14 14:43:35,917 WARN L623 FunctionHandler]: Unknown extern function nf_log_unbind_pf [2022-12-14 14:43:35,929 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,929 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:35,929 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:35,934 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,934 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:35,935 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:35,936 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:35,936 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:35,936 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:35,956 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:43:35,960 WARN L623 FunctionHandler]: Unknown extern function seq_open_net [2022-12-14 14:43:35,965 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:43:35,969 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 14:43:35,969 WARN L623 FunctionHandler]: Unknown extern function nf_log_unset [2022-12-14 14:43:35,973 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_register [2022-12-14 14:43:35,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:35,973 WARN L623 FunctionHandler]: Unknown extern function nf_log_register [2022-12-14 14:43:35,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:35,974 WARN L623 FunctionHandler]: Unknown extern function register_pernet_subsys [2022-12-14 14:43:35,974 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:35,974 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-12-14 14:43:35,974 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-12-14 14:43:35,978 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_subsys [2022-12-14 14:43:35,978 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-12-14 14:43:35,978 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-12-14 14:43:36,127 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:43:36,128 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:43:36,128 WARN L623 FunctionHandler]: Unknown extern function seq_release_net [2022-12-14 14:43:36,140 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:43:36,140 WARN L623 FunctionHandler]: Unknown extern function netlink_register_notifier [2022-12-14 14:43:36,141 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-12-14 14:43:36,142 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-12-14 14:43:36,494 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:43:36,681 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:43:37,244 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-12-14 14:43:37,247 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-12-14 14:43:37,247 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-12-14 14:43:37,247 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-12-14 14:43:37,248 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-12-14 14:43:37,248 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-12-14 14:43:37,248 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-12-14 14:43:37,249 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-12-14 14:43:37,249 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-12-14 14:43:37,249 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-12-14 14:43:37,250 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-12-14 14:43:37,250 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-12-14 14:43:37,250 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-12-14 14:43:37,251 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-12-14 14:43:37,251 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-12-14 14:43:37,251 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-12-14 14:43:37,251 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-12-14 14:43:37,252 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-12-14 14:43:37,252 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-12-14 14:43:37,252 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-12-14 14:43:37,253 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-12-14 14:43:37,253 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-12-14 14:43:37,253 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-12-14 14:43:37,254 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-12-14 14:43:37,254 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-12-14 14:43:37,254 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-12-14 14:43:37,255 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-12-14 14:43:37,255 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-12-14 14:43:37,255 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-12-14 14:43:37,255 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-12-14 14:43:37,256 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-12-14 14:43:37,256 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-12-14 14:43:37,256 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-12-14 14:43:37,257 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-12-14 14:43:37,257 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-12-14 14:43:37,257 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-12-14 14:43:37,257 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-12-14 14:43:37,258 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-12-14 14:43:37,258 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-12-14 14:43:37,258 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-12-14 14:43:37,259 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-12-14 14:43:37,259 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-12-14 14:43:37,259 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-12-14 14:43:37,259 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-12-14 14:43:37,260 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-12-14 14:43:37,260 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-12-14 14:43:37,260 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-12-14 14:43:37,261 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-12-14 14:43:37,261 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-12-14 14:43:37,261 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-12-14 14:43:37,261 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-12-14 14:43:37,262 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-12-14 14:43:37,262 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-12-14 14:43:37,262 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-12-14 14:43:37,263 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-12-14 14:43:37,263 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-12-14 14:43:37,263 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-12-14 14:43:37,263 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-12-14 14:43:37,264 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-12-14 14:43:37,264 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-12-14 14:43:37,264 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-12-14 14:43:37,264 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-12-14 14:43:37,265 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-12-14 14:43:37,265 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-12-14 14:43:37,265 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-12-14 14:43:37,265 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-12-14 14:43:37,266 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-12-14 14:43:37,266 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-12-14 14:43:37,266 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-12-14 14:43:37,267 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-12-14 14:43:37,267 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-12-14 14:43:37,267 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-12-14 14:43:37,268 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-12-14 14:43:37,268 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-12-14 14:43:37,268 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-12-14 14:43:37,268 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-12-14 14:43:37,269 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-12-14 14:43:37,269 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-12-14 14:43:37,269 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-12-14 14:43:37,270 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-12-14 14:43:37,270 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-12-14 14:43:37,270 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-12-14 14:43:37,270 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-12-14 14:43:37,271 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-12-14 14:43:37,271 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-12-14 14:43:37,271 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-12-14 14:43:37,271 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-12-14 14:43:37,272 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-12-14 14:43:37,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:37,298 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:43:37,381 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 14:43:37,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:43:37,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:43:37,383 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:43:37,384 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:43:37,385 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 14:43:37,387 WARN L623 FunctionHandler]: Unknown extern function __put_net [2022-12-14 14:43:37,394 WARN L623 FunctionHandler]: Unknown extern function __nlmsg_put [2022-12-14 14:43:37,395 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,396 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,397 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,397 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:37,397 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:37,398 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,399 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:37,399 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:37,400 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,400 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:37,401 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,401 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 14:43:37,402 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:43:37,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:43:37,404 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:43:37,404 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:43:37,407 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-12-14 14:43:37,407 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-12-14 14:43:37,408 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:43:37,408 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 14:43:37,408 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_unicast [2022-12-14 14:43:37,411 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,411 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,414 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,415 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,415 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-12-14 14:43:37,416 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-12-14 14:43:37,421 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 14:43:37,422 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 14:43:37,423 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:43:37,424 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:43:37,424 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:43:37,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:37,429 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 14:43:37,432 WARN L623 FunctionHandler]: Unknown extern function nf_log_bind_pf [2022-12-14 14:43:37,433 WARN L623 FunctionHandler]: Unknown extern function nf_log_unbind_pf [2022-12-14 14:43:37,439 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,440 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:37,440 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:37,441 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,441 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:37,441 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:37,442 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:43:37,442 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-12-14 14:43:37,442 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:43:37,444 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 14:43:37,444 WARN L623 FunctionHandler]: Unknown extern function seq_open_net [2022-12-14 14:43:37,445 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:43:37,446 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 14:43:37,446 WARN L623 FunctionHandler]: Unknown extern function nf_log_unset [2022-12-14 14:43:37,446 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_register [2022-12-14 14:43:37,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:37,446 WARN L623 FunctionHandler]: Unknown extern function nf_log_register [2022-12-14 14:43:37,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:37,447 WARN L623 FunctionHandler]: Unknown extern function register_pernet_subsys [2022-12-14 14:43:37,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:43:37,447 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-12-14 14:43:37,447 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-12-14 14:43:37,448 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_subsys [2022-12-14 14:43:37,448 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-12-14 14:43:37,448 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-12-14 14:43:37,453 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 14:43:37,453 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 14:43:37,453 WARN L623 FunctionHandler]: Unknown extern function seq_release_net [2022-12-14 14:43:37,470 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 14:43:37,470 WARN L623 FunctionHandler]: Unknown extern function netlink_register_notifier [2022-12-14 14:43:37,471 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-12-14 14:43:37,471 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-12-14 14:43:37,484 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:43:37,490 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:43:37,513 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-12-14 14:43:37,513 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-12-14 14:43:37,514 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-12-14 14:43:37,514 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-12-14 14:43:37,514 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-12-14 14:43:37,515 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-12-14 14:43:37,515 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-12-14 14:43:37,515 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-12-14 14:43:37,515 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-12-14 14:43:37,516 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-12-14 14:43:37,516 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-12-14 14:43:37,516 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-12-14 14:43:37,516 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-12-14 14:43:37,517 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-12-14 14:43:37,517 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-12-14 14:43:37,517 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-12-14 14:43:37,518 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-12-14 14:43:37,518 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-12-14 14:43:37,518 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-12-14 14:43:37,518 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-12-14 14:43:37,519 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-12-14 14:43:37,519 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-12-14 14:43:37,519 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-12-14 14:43:37,519 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-12-14 14:43:37,520 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-12-14 14:43:37,520 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-12-14 14:43:37,520 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-12-14 14:43:37,520 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-12-14 14:43:37,521 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-12-14 14:43:37,521 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-12-14 14:43:37,521 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-12-14 14:43:37,522 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-12-14 14:43:37,522 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-12-14 14:43:37,522 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-12-14 14:43:37,522 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-12-14 14:43:37,523 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-12-14 14:43:37,523 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-12-14 14:43:37,523 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-12-14 14:43:37,523 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-12-14 14:43:37,524 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-12-14 14:43:37,524 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-12-14 14:43:37,524 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-12-14 14:43:37,524 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-12-14 14:43:37,525 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-12-14 14:43:37,525 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-12-14 14:43:37,525 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-12-14 14:43:37,525 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-12-14 14:43:37,526 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-12-14 14:43:37,526 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-12-14 14:43:37,526 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-12-14 14:43:37,526 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-12-14 14:43:37,527 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-12-14 14:43:37,527 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-12-14 14:43:37,527 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-12-14 14:43:37,528 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-12-14 14:43:37,528 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-12-14 14:43:37,528 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-12-14 14:43:37,528 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-12-14 14:43:37,529 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-12-14 14:43:37,529 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-12-14 14:43:37,529 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-12-14 14:43:37,529 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-12-14 14:43:37,530 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-12-14 14:43:37,530 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-12-14 14:43:37,530 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-12-14 14:43:37,530 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-12-14 14:43:37,531 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-12-14 14:43:37,531 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-12-14 14:43:37,531 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-12-14 14:43:37,531 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-12-14 14:43:37,532 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-12-14 14:43:37,532 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-12-14 14:43:37,532 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-12-14 14:43:37,532 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-12-14 14:43:37,533 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-12-14 14:43:37,533 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-12-14 14:43:37,533 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-12-14 14:43:37,534 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-12-14 14:43:37,534 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-12-14 14:43:37,534 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-12-14 14:43:37,534 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-12-14 14:43:37,535 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-12-14 14:43:37,535 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-12-14 14:43:37,535 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-12-14 14:43:37,535 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-12-14 14:43:37,536 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-12-14 14:43:37,536 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-12-14 14:43:37,536 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_3c387fe3-247d-49ef-8089-65bfb949af4c/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-12-14 14:43:37,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:43:37,651 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:43:37,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37 WrapperNode [2022-12-14 14:43:37,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:43:37,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:37,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:43:37,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:43:37,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,793 INFO L138 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2632 [2022-12-14 14:43:37,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:43:37,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:43:37,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:43:37,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:43:37,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:43:37,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:43:37,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:43:37,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:43:37,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (1/1) ... [2022-12-14 14:43:37,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:43:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:37,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:43:37,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:43:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-12-14 14:43:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-12-14 14:43:37,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:43:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-12-14 14:43:37,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-12-14 14:43:37,945 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-12-14 14:43:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:43:37,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:43:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 14:43:37,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 14:43:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-12-14 14:43:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 14:43:37,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-14 14:43:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 14:43:37,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 14:43:37,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 14:43:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-12-14 14:43:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-12-14 14:43:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:43:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-12-14 14:43:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-12-14 14:43:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-12-14 14:43:37,951 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-12-14 14:43:38,365 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:43:38,368 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:43:38,500 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:43:39,724 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:43:39,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:43:39,940 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 14:43:39,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:39 BoogieIcfgContainer [2022-12-14 14:43:39,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:43:39,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:43:39,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:43:39,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:43:39,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:43:34" (1/3) ... [2022-12-14 14:43:39,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132650fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:39, skipping insertion in model container [2022-12-14 14:43:39,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:43:37" (2/3) ... [2022-12-14 14:43:39,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132650fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:39, skipping insertion in model container [2022-12-14 14:43:39,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:39" (3/3) ... [2022-12-14 14:43:39,950 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-12-14 14:43:39,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:43:39,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-12-14 14:43:40,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:43:40,017 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;@1e6b2e96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:43:40,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-12-14 14:43:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 864 states, 489 states have (on average 1.3251533742331287) internal successors, (648), 545 states have internal predecessors, (648), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2022-12-14 14:43:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 14:43:40,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:40,032 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:40,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:40,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:40,036 INFO L85 PathProgramCache]: Analyzing trace with hash 947142744, now seen corresponding path program 1 times [2022-12-14 14:43:40,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:40,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366583069] [2022-12-14 14:43:40,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:40,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:40,489 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:40,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366583069] [2022-12-14 14:43:40,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366583069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:40,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:40,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:40,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209749223] [2022-12-14 14:43:40,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:40,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:40,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:40,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:40,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:40,530 INFO L87 Difference]: Start difference. First operand has 864 states, 489 states have (on average 1.3251533742331287) internal successors, (648), 545 states have internal predecessors, (648), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:43:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:41,094 INFO L93 Difference]: Finished difference Result 1708 states and 2388 transitions. [2022-12-14 14:43:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:41,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2022-12-14 14:43:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:41,112 INFO L225 Difference]: With dead ends: 1708 [2022-12-14 14:43:41,112 INFO L226 Difference]: Without dead ends: 849 [2022-12-14 14:43:41,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:41,123 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 1104 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:41,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1932 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:41,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2022-12-14 14:43:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2022-12-14 14:43:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 482 states have (on average 1.2510373443983402) internal successors, (603), 533 states have internal predecessors, (603), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-12-14 14:43:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1111 transitions. [2022-12-14 14:43:41,215 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1111 transitions. Word has length 51 [2022-12-14 14:43:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:41,216 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1111 transitions. [2022-12-14 14:43:41,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:43:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1111 transitions. [2022-12-14 14:43:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 14:43:41,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:41,218 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:41,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:43:41,218 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:41,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:41,219 INFO L85 PathProgramCache]: Analyzing trace with hash 529238253, now seen corresponding path program 1 times [2022-12-14 14:43:41,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:41,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740440340] [2022-12-14 14:43:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:41,396 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:41,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740440340] [2022-12-14 14:43:41,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740440340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:41,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:41,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:41,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919018628] [2022-12-14 14:43:41,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:41,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:41,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:41,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:41,398 INFO L87 Difference]: Start difference. First operand 849 states and 1111 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 14:43:41,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:41,953 INFO L93 Difference]: Finished difference Result 849 states and 1111 transitions. [2022-12-14 14:43:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:41,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-12-14 14:43:41,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:41,958 INFO L225 Difference]: With dead ends: 849 [2022-12-14 14:43:41,958 INFO L226 Difference]: Without dead ends: 847 [2022-12-14 14:43:41,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:41,960 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 1084 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:41,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 1896 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:43:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2022-12-14 14:43:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2022-12-14 14:43:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 481 states have (on average 1.2494802494802495) internal successors, (601), 531 states have internal predecessors, (601), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-12-14 14:43:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1109 transitions. [2022-12-14 14:43:42,021 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1109 transitions. Word has length 56 [2022-12-14 14:43:42,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:42,021 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1109 transitions. [2022-12-14 14:43:42,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 14:43:42,021 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1109 transitions. [2022-12-14 14:43:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 14:43:42,024 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:42,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:42,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:43:42,024 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:42,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2057788117, now seen corresponding path program 1 times [2022-12-14 14:43:42,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:42,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115872597] [2022-12-14 14:43:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:42,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:42,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115872597] [2022-12-14 14:43:42,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115872597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:42,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:42,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:42,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312058345] [2022-12-14 14:43:42,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:42,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:42,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:42,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:42,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:42,238 INFO L87 Difference]: Start difference. First operand 847 states and 1109 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 14:43:42,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:42,725 INFO L93 Difference]: Finished difference Result 847 states and 1109 transitions. [2022-12-14 14:43:42,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:42,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2022-12-14 14:43:42,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:42,729 INFO L225 Difference]: With dead ends: 847 [2022-12-14 14:43:42,729 INFO L226 Difference]: Without dead ends: 845 [2022-12-14 14:43:42,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:42,730 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 1081 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:42,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1892 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:42,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-12-14 14:43:42,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2022-12-14 14:43:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 480 states have (on average 1.2479166666666666) internal successors, (599), 529 states have internal predecessors, (599), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-12-14 14:43:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1107 transitions. [2022-12-14 14:43:42,763 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1107 transitions. Word has length 61 [2022-12-14 14:43:42,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:42,764 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1107 transitions. [2022-12-14 14:43:42,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 14:43:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1107 transitions. [2022-12-14 14:43:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 14:43:42,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:42,765 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:42,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:43:42,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash -552189637, now seen corresponding path program 1 times [2022-12-14 14:43:42,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:42,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283910851] [2022-12-14 14:43:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:42,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:42,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:42,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283910851] [2022-12-14 14:43:42,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283910851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:42,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:42,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:42,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236650759] [2022-12-14 14:43:42,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:42,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:42,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:42,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:42,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:42,975 INFO L87 Difference]: Start difference. First operand 845 states and 1107 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 14:43:43,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:43,523 INFO L93 Difference]: Finished difference Result 845 states and 1107 transitions. [2022-12-14 14:43:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:43,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-12-14 14:43:43,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:43,527 INFO L225 Difference]: With dead ends: 845 [2022-12-14 14:43:43,527 INFO L226 Difference]: Without dead ends: 843 [2022-12-14 14:43:43,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:43,528 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 1078 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:43,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1888 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:43:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-12-14 14:43:43,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2022-12-14 14:43:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 479 states have (on average 1.2463465553235908) internal successors, (597), 527 states have internal predecessors, (597), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-12-14 14:43:43,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1105 transitions. [2022-12-14 14:43:43,561 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1105 transitions. Word has length 66 [2022-12-14 14:43:43,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:43,562 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1105 transitions. [2022-12-14 14:43:43,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 14:43:43,562 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1105 transitions. [2022-12-14 14:43:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 14:43:43,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:43,563 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-12-14 14:43:43,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:43:43,563 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1851004972, now seen corresponding path program 1 times [2022-12-14 14:43:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:43,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89179702] [2022-12-14 14:43:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:43,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-14 14:43:43,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:43,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89179702] [2022-12-14 14:43:43,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89179702] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:43,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:43,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:43:43,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383371152] [2022-12-14 14:43:43,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:43,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:43:43,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:43:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:43:43,827 INFO L87 Difference]: Start difference. First operand 843 states and 1105 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-14 14:43:45,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:45,027 INFO L93 Difference]: Finished difference Result 1404 states and 1803 transitions. [2022-12-14 14:43:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:43:45,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 76 [2022-12-14 14:43:45,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:45,033 INFO L225 Difference]: With dead ends: 1404 [2022-12-14 14:43:45,034 INFO L226 Difference]: Without dead ends: 1402 [2022-12-14 14:43:45,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:43:45,035 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 687 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 4145 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:45,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 4145 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 14:43:45,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2022-12-14 14:43:45,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1231. [2022-12-14 14:43:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 695 states have (on average 1.2388489208633093) internal successors, (861), 759 states have internal predecessors, (861), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-12-14 14:43:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1619 transitions. [2022-12-14 14:43:45,099 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1619 transitions. Word has length 76 [2022-12-14 14:43:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:45,099 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1619 transitions. [2022-12-14 14:43:45,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-14 14:43:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1619 transitions. [2022-12-14 14:43:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 14:43:45,101 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:45,101 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:43:45,102 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:45,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1317323251, now seen corresponding path program 1 times [2022-12-14 14:43:45,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:45,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080239471] [2022-12-14 14:43:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:45,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:45,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080239471] [2022-12-14 14:43:45,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080239471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:45,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:45,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:45,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080304015] [2022-12-14 14:43:45,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:45,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:45,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:45,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:45,232 INFO L87 Difference]: Start difference. First operand 1231 states and 1619 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 14:43:45,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:45,795 INFO L93 Difference]: Finished difference Result 1231 states and 1619 transitions. [2022-12-14 14:43:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:45,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2022-12-14 14:43:45,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:45,801 INFO L225 Difference]: With dead ends: 1231 [2022-12-14 14:43:45,802 INFO L226 Difference]: Without dead ends: 1229 [2022-12-14 14:43:45,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:45,802 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 1075 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:45,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1884 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:43:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2022-12-14 14:43:45,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2022-12-14 14:43:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 694 states have (on average 1.2377521613832854) internal successors, (859), 757 states have internal predecessors, (859), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-12-14 14:43:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1617 transitions. [2022-12-14 14:43:45,856 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1617 transitions. Word has length 71 [2022-12-14 14:43:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:45,856 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1617 transitions. [2022-12-14 14:43:45,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 14:43:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1617 transitions. [2022-12-14 14:43:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 14:43:45,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:45,857 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:45,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:43:45,857 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1138761873, now seen corresponding path program 1 times [2022-12-14 14:43:45,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:45,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120738812] [2022-12-14 14:43:45,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:45,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:45,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120738812] [2022-12-14 14:43:45,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120738812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:45,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:45,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167471158] [2022-12-14 14:43:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:45,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:45,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:45,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:45,976 INFO L87 Difference]: Start difference. First operand 1229 states and 1617 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 14:43:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:46,515 INFO L93 Difference]: Finished difference Result 1229 states and 1617 transitions. [2022-12-14 14:43:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:46,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-12-14 14:43:46,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:46,519 INFO L225 Difference]: With dead ends: 1229 [2022-12-14 14:43:46,519 INFO L226 Difference]: Without dead ends: 1227 [2022-12-14 14:43:46,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:46,520 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 1072 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:46,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1880 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-12-14 14:43:46,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2022-12-14 14:43:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 693 states have (on average 1.2366522366522366) internal successors, (857), 755 states have internal predecessors, (857), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-12-14 14:43:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1615 transitions. [2022-12-14 14:43:46,578 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1615 transitions. Word has length 76 [2022-12-14 14:43:46,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:46,578 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1615 transitions. [2022-12-14 14:43:46,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 14:43:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1615 transitions. [2022-12-14 14:43:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 14:43:46,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:46,579 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:43:46,580 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:46,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:46,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1171565581, now seen corresponding path program 1 times [2022-12-14 14:43:46,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:46,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501249565] [2022-12-14 14:43:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:46,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:46,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501249565] [2022-12-14 14:43:46,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501249565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:46,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:46,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882472947] [2022-12-14 14:43:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:46,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:46,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:46,718 INFO L87 Difference]: Start difference. First operand 1227 states and 1615 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 14:43:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:47,191 INFO L93 Difference]: Finished difference Result 1227 states and 1615 transitions. [2022-12-14 14:43:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:47,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2022-12-14 14:43:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:47,195 INFO L225 Difference]: With dead ends: 1227 [2022-12-14 14:43:47,195 INFO L226 Difference]: Without dead ends: 1225 [2022-12-14 14:43:47,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:47,196 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 1069 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:47,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1876 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2022-12-14 14:43:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2022-12-14 14:43:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 692 states have (on average 1.2355491329479769) internal successors, (855), 753 states have internal predecessors, (855), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-12-14 14:43:47,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1613 transitions. [2022-12-14 14:43:47,256 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1613 transitions. Word has length 81 [2022-12-14 14:43:47,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:47,257 INFO L495 AbstractCegarLoop]: Abstraction has 1225 states and 1613 transitions. [2022-12-14 14:43:47,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 14:43:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1613 transitions. [2022-12-14 14:43:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 14:43:47,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:47,258 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 14:43:47,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:43:47,258 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:47,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:47,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1953607270, now seen corresponding path program 1 times [2022-12-14 14:43:47,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:47,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76960282] [2022-12-14 14:43:47,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:47,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:47,495 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 14:43:47,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:47,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76960282] [2022-12-14 14:43:47,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76960282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:47,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:47,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:43:47,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978227775] [2022-12-14 14:43:47,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:47,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:43:47,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:47,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:43:47,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:43:47,498 INFO L87 Difference]: Start difference. First operand 1225 states and 1613 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 14:43:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:48,623 INFO L93 Difference]: Finished difference Result 1367 states and 1768 transitions. [2022-12-14 14:43:48,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 14:43:48,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-12-14 14:43:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:48,629 INFO L225 Difference]: With dead ends: 1367 [2022-12-14 14:43:48,629 INFO L226 Difference]: Without dead ends: 1365 [2022-12-14 14:43:48,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:43:48,630 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 955 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:48,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 3339 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 14:43:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-12-14 14:43:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1353. [2022-12-14 14:43:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 771 states have (on average 1.2347600518806745) internal successors, (952), 832 states have internal predecessors, (952), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-12-14 14:43:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1760 transitions. [2022-12-14 14:43:48,705 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1760 transitions. Word has length 89 [2022-12-14 14:43:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:48,706 INFO L495 AbstractCegarLoop]: Abstraction has 1353 states and 1760 transitions. [2022-12-14 14:43:48,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 14:43:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1760 transitions. [2022-12-14 14:43:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 14:43:48,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:48,707 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:43:48,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:48,707 INFO L85 PathProgramCache]: Analyzing trace with hash 739817429, now seen corresponding path program 1 times [2022-12-14 14:43:48,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:48,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110144104] [2022-12-14 14:43:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:48,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:48,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:48,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110144104] [2022-12-14 14:43:48,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110144104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:48,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:48,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:48,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119586791] [2022-12-14 14:43:48,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:48,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:48,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:48,828 INFO L87 Difference]: Start difference. First operand 1353 states and 1760 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:43:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:49,415 INFO L93 Difference]: Finished difference Result 1353 states and 1760 transitions. [2022-12-14 14:43:49,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:49,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 86 [2022-12-14 14:43:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:49,419 INFO L225 Difference]: With dead ends: 1353 [2022-12-14 14:43:49,419 INFO L226 Difference]: Without dead ends: 1351 [2022-12-14 14:43:49,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:49,419 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 1070 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:49,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1868 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2022-12-14 14:43:49,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1351. [2022-12-14 14:43:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 770 states have (on average 1.2337662337662338) internal successors, (950), 830 states have internal predecessors, (950), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-12-14 14:43:49,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1758 transitions. [2022-12-14 14:43:49,488 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1758 transitions. Word has length 86 [2022-12-14 14:43:49,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:49,488 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 1758 transitions. [2022-12-14 14:43:49,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:43:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1758 transitions. [2022-12-14 14:43:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 14:43:49,489 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:49,489 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:49,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:43:49,489 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:49,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1999887880, now seen corresponding path program 1 times [2022-12-14 14:43:49,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:49,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343910192] [2022-12-14 14:43:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:49,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:49,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:49,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343910192] [2022-12-14 14:43:49,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343910192] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:49,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:49,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:49,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179596893] [2022-12-14 14:43:49,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:49,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:49,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:49,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:49,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:49,611 INFO L87 Difference]: Start difference. First operand 1351 states and 1758 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:43:50,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:50,118 INFO L93 Difference]: Finished difference Result 1351 states and 1758 transitions. [2022-12-14 14:43:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:43:50,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 88 [2022-12-14 14:43:50,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:50,122 INFO L225 Difference]: With dead ends: 1351 [2022-12-14 14:43:50,122 INFO L226 Difference]: Without dead ends: 1349 [2022-12-14 14:43:50,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:50,123 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1062 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:50,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 1868 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:43:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2022-12-14 14:43:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1349. [2022-12-14 14:43:50,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 769 states have (on average 1.2327698309492847) internal successors, (948), 828 states have internal predecessors, (948), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-12-14 14:43:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1756 transitions. [2022-12-14 14:43:50,206 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1756 transitions. Word has length 88 [2022-12-14 14:43:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:50,206 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1756 transitions. [2022-12-14 14:43:50,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:43:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1756 transitions. [2022-12-14 14:43:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 14:43:50,208 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:50,208 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 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] [2022-12-14 14:43:50,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:43:50,208 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:50,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:50,209 INFO L85 PathProgramCache]: Analyzing trace with hash 212427547, now seen corresponding path program 1 times [2022-12-14 14:43:50,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:50,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442383532] [2022-12-14 14:43:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:50,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-12-14 14:43:50,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:50,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442383532] [2022-12-14 14:43:50,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442383532] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:43:50,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121262180] [2022-12-14 14:43:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:50,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:43:50,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:50,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:43:50,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:43:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:50,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:43:50,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:43:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 14:43:50,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:43:50,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121262180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:50,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 14:43:50,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-12-14 14:43:50,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475859023] [2022-12-14 14:43:50,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:50,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:43:50,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:50,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:43:50,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:43:50,798 INFO L87 Difference]: Start difference. First operand 1349 states and 1756 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 14:43:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:51,561 INFO L93 Difference]: Finished difference Result 2620 states and 3396 transitions. [2022-12-14 14:43:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:43:51,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 103 [2022-12-14 14:43:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:51,568 INFO L225 Difference]: With dead ends: 2620 [2022-12-14 14:43:51,568 INFO L226 Difference]: Without dead ends: 1392 [2022-12-14 14:43:51,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:43:51,572 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 215 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:51,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 3531 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:43:51,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-12-14 14:43:51,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1355. [2022-12-14 14:43:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 773 states have (on average 1.2315653298835705) internal successors, (952), 832 states have internal predecessors, (952), 406 states have call successors, (406), 156 states have call predecessors, (406), 154 states have return successors, (406), 391 states have call predecessors, (406), 404 states have call successors, (406) [2022-12-14 14:43:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1764 transitions. [2022-12-14 14:43:51,680 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1764 transitions. Word has length 103 [2022-12-14 14:43:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:51,680 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1764 transitions. [2022-12-14 14:43:51,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 14:43:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1764 transitions. [2022-12-14 14:43:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 14:43:51,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:51,681 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:51,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:43:51,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-14 14:43:51,883 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:51,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:51,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1680002851, now seen corresponding path program 1 times [2022-12-14 14:43:51,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:51,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448816071] [2022-12-14 14:43:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:51,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:52,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:52,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448816071] [2022-12-14 14:43:52,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448816071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:52,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:52,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:52,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752070324] [2022-12-14 14:43:52,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:52,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:52,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:52,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:52,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:52,052 INFO L87 Difference]: Start difference. First operand 1355 states and 1764 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 14:43:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:52,816 INFO L93 Difference]: Finished difference Result 2048 states and 2599 transitions. [2022-12-14 14:43:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:43:52,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 93 [2022-12-14 14:43:52,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:52,825 INFO L225 Difference]: With dead ends: 2048 [2022-12-14 14:43:52,825 INFO L226 Difference]: Without dead ends: 2046 [2022-12-14 14:43:52,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:52,827 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1061 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:52,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2738 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:43:52,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-12-14 14:43:52,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 2000. [2022-12-14 14:43:52,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1160 states have (on average 1.2327586206896552) internal successors, (1430), 1228 states have internal predecessors, (1430), 571 states have call successors, (571), 249 states have call predecessors, (571), 247 states have return successors, (571), 554 states have call predecessors, (571), 569 states have call successors, (571) [2022-12-14 14:43:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2572 transitions. [2022-12-14 14:43:52,964 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2572 transitions. Word has length 93 [2022-12-14 14:43:52,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:52,965 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2572 transitions. [2022-12-14 14:43:52,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 14:43:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2572 transitions. [2022-12-14 14:43:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 14:43:52,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:52,966 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 14:43:52,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 14:43:52,966 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1037598100, now seen corresponding path program 1 times [2022-12-14 14:43:52,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:52,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752980302] [2022-12-14 14:43:52,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:52,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 14:43:53,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:53,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752980302] [2022-12-14 14:43:53,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752980302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:53,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:53,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:53,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393345534] [2022-12-14 14:43:53,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:53,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:53,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:53,082 INFO L87 Difference]: Start difference. First operand 2000 states and 2572 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:43:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:53,938 INFO L93 Difference]: Finished difference Result 2851 states and 3610 transitions. [2022-12-14 14:43:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:43:53,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2022-12-14 14:43:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:53,947 INFO L225 Difference]: With dead ends: 2851 [2022-12-14 14:43:53,947 INFO L226 Difference]: Without dead ends: 2849 [2022-12-14 14:43:53,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:53,949 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 668 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:53,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2928 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:43:53,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2022-12-14 14:43:54,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2736. [2022-12-14 14:43:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 1579 states have (on average 1.2222925902469917) internal successors, (1930), 1669 states have internal predecessors, (1930), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-12-14 14:43:54,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3498 transitions. [2022-12-14 14:43:54,124 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3498 transitions. Word has length 98 [2022-12-14 14:43:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:54,124 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 3498 transitions. [2022-12-14 14:43:54,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:43:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3498 transitions. [2022-12-14 14:43:54,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 14:43:54,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:54,126 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 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] [2022-12-14 14:43:54,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 14:43:54,126 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:54,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1941169595, now seen corresponding path program 1 times [2022-12-14 14:43:54,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:54,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87569680] [2022-12-14 14:43:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:43:54,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:54,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87569680] [2022-12-14 14:43:54,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87569680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:54,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:54,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:43:54,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393525359] [2022-12-14 14:43:54,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:54,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:54,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:54,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:54,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:54,237 INFO L87 Difference]: Start difference. First operand 2736 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 14:43:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:55,015 INFO L93 Difference]: Finished difference Result 4815 states and 6130 transitions. [2022-12-14 14:43:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:55,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 108 [2022-12-14 14:43:55,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:55,025 INFO L225 Difference]: With dead ends: 4815 [2022-12-14 14:43:55,025 INFO L226 Difference]: Without dead ends: 2741 [2022-12-14 14:43:55,030 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 14:43:55,031 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 5 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:55,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1868 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:43:55,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-12-14 14:43:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2737. [2022-12-14 14:43:55,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1580 states have (on average 1.2221518987341773) internal successors, (1931), 1670 states have internal predecessors, (1931), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-12-14 14:43:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3499 transitions. [2022-12-14 14:43:55,219 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3499 transitions. Word has length 108 [2022-12-14 14:43:55,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:55,220 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3499 transitions. [2022-12-14 14:43:55,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-14 14:43:55,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3499 transitions. [2022-12-14 14:43:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 14:43:55,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:55,221 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 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] [2022-12-14 14:43:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 14:43:55,221 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash -17372504, now seen corresponding path program 1 times [2022-12-14 14:43:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:55,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015440124] [2022-12-14 14:43:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:43:55,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:55,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015440124] [2022-12-14 14:43:55,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015440124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:55,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:55,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:43:55,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130569281] [2022-12-14 14:43:55,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:55,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:43:55,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:55,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:43:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:43:55,378 INFO L87 Difference]: Start difference. First operand 2737 states and 3499 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:43:56,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:56,202 INFO L93 Difference]: Finished difference Result 2783 states and 3532 transitions. [2022-12-14 14:43:56,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:43:56,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2022-12-14 14:43:56,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:56,210 INFO L225 Difference]: With dead ends: 2783 [2022-12-14 14:43:56,210 INFO L226 Difference]: Without dead ends: 2781 [2022-12-14 14:43:56,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:43:56,211 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 696 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:56,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 2919 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 14:43:56,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-12-14 14:43:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2737. [2022-12-14 14:43:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1580 states have (on average 1.220253164556962) internal successors, (1928), 1670 states have internal predecessors, (1928), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-12-14 14:43:56,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3496 transitions. [2022-12-14 14:43:56,384 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3496 transitions. Word has length 110 [2022-12-14 14:43:56,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:56,385 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3496 transitions. [2022-12-14 14:43:56,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 14:43:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3496 transitions. [2022-12-14 14:43:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 14:43:56,386 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:56,386 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 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] [2022-12-14 14:43:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 14:43:56,387 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-12-14 14:43:56,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:56,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2076651518, now seen corresponding path program 1 times [2022-12-14 14:43:56,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:56,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401657127] [2022-12-14 14:43:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:43:56,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:56,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401657127] [2022-12-14 14:43:56,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401657127] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 14:43:56,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828414589] [2022-12-14 14:43:56,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:56,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:43:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:43:56,494 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:43:56,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c387fe3-247d-49ef-8089-65bfb949af4c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:43:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:56,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:43:56,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:43:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:43:56,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:43:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 14:43:56,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828414589] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:43:56,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [154445655] [2022-12-14 14:43:56,980 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2022-12-14 14:43:56,980 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:43:56,983 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:43:56,987 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:43:56,987 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 14:44:08,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 14:44:08,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 14:44:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:14,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,203 INFO L321 Elim1Store]: treesize reduction 96, result has 40.7 percent of original size [2022-12-14 14:44:15,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 515 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 7 case distinctions, treesize of input 3861 treesize of output 3716 [2022-12-14 14:44:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:15,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:15,974 INFO L321 Elim1Store]: treesize reduction 84, result has 48.1 percent of original size [2022-12-14 14:44:15,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 515 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 7 case distinctions, treesize of input 3829 treesize of output 3696 [2022-12-14 14:44:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,574 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 14:44:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:44:16,725 INFO L321 Elim1Store]: treesize reduction 112, result has 41.1 percent of original size [2022-12-14 14:44:16,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 51 select indices, 51 select index equivalence classes, 331 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 7 case distinctions, treesize of input 3777 treesize of output 3659 [2022-12-14 14:48:51,582 WARN L233 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 1017 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 14:49:03,061 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 1009 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 14:54:16,104 WARN L233 SmtUtils]: Spent 19.53s on a formula simplification that was a NOOP. DAG size: 1144 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 14:54:35,604 WARN L233 SmtUtils]: Spent 9.72s on a formula simplification that was a NOOP. DAG size: 1136 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)