./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/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_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/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_41ada800-73ae-410c-9fab-9d5d201f344f/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 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 --- 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 14:00:17,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:00:17,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:00:17,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:00:17,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:00:17,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:00:17,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:00:17,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:00:17,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:00:17,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:00:17,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:00:17,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:00:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:00:17,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:00:17,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:00:17,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:00:17,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:00:17,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:00:17,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:00:17,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:00:17,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:00:17,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:00:17,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:00:17,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:00:17,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:00:17,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:00:17,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:00:17,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:00:17,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:00:17,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:00:17,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:00:17,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:00:17,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:00:17,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:00:17,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:00:17,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:00:17,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:00:17,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:00:17,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:00:17,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:00:17,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:00:17,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:00:17,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:00:17,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:00:17,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:00:17,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:00:17,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:00:17,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:00:17,151 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:00:17,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:00:17,151 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:00:17,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:00:17,152 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:00:17,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:00:17,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:00:17,152 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:00:17,152 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:00:17,153 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:00:17,153 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:00:17,153 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:00:17,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:00:17,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:00:17,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:00:17,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:00:17,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:00:17,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:00:17,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:00:17,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:00:17,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:00:17,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:00:17,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:00:17,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:00:17,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:00:17,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:00:17,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:00:17,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:00:17,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:00:17,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:00:17,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:00:17,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:00:17,157 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_41ada800-73ae-410c-9fab-9d5d201f344f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 899936809f134b7a18a7ac00d293808544b0e96b14603dc5a591cd3e9a61d6b6 [2022-12-14 14:00:17,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:00:17,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:00:17,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:00:17,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:00:17,345 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:00:17,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-12-14 14:00:19,901 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:00:20,407 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:00:20,408 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-12-14 14:00:20,446 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/data/502e5a300/88729cca886248b3a421484798dda264/FLAGe0c11c049 [2022-12-14 14:00:20,469 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/data/502e5a300/88729cca886248b3a421484798dda264 [2022-12-14 14:00:20,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:00:20,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:00:20,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:00:20,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:00:20,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:00:20,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:00:20" (1/1) ... [2022-12-14 14:00:20,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acb39c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:20, skipping insertion in model container [2022-12-14 14:00:20,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:00:20" (1/1) ... [2022-12-14 14:00:20,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:00:20,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:00:21,536 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 14:00:21,566 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:00:21,570 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:00:21,570 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:00:21,578 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:00:21,585 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:00:21,593 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:00:21,600 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:00:21,627 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:00:21,634 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:00:21,795 WARN L623 FunctionHandler]: Unknown extern function __napi_alloc_skb [2022-12-14 14:00:21,846 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:00:21,933 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 14:00:21,964 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 14:00:21,968 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 14:00:21,975 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-14 14:00:22,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:22,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:22,265 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 14:00:22,273 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:00:22,273 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,276 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:22,276 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 14:00:22,276 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:00:22,278 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,290 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:00:22,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:22,291 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:00:22,291 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:22,291 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:00:22,292 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 14:00:22,294 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:00:22,294 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 14:00:22,296 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,297 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,297 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:00:22,298 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:00:22,299 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:22,299 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:22,300 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:00:22,300 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:00:22,300 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:22,301 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:00:22,301 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:00:22,301 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:22,303 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,304 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:22,306 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:22,309 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 14:00:22,310 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:22,314 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:22,315 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 14:00:22,323 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:22,323 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 14:00:22,325 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:00:22,330 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:22,332 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:22,334 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:00:22,334 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:22,334 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:22,343 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:22,351 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:22,359 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:22,362 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:00:22,386 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,439 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:00:22,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,460 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:00:22,460 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:00:22,462 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 14:00:22,467 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:00:22,468 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:00:22,468 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 14:00:22,469 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 14:00:22,469 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:00:22,470 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:22,470 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:00:22,470 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,471 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:22,471 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:22,472 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,472 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:22,473 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:22,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:22,474 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:00:22,528 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:00:22,529 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 14:00:22,531 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_7 [2022-12-14 14:00:22,531 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-12-14 14:00:22,531 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-12-14 14:00:22,532 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_7 [2022-12-14 14:00:22,533 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:22,534 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:22,534 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:22,538 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-14 14:00:22,538 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-14 14:00:22,538 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:00:22,539 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,539 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:22,540 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,540 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:22,541 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:22,543 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:00:22,544 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:00:22,545 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:22,545 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:00:22,546 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:00:22,546 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:00:22,546 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:00:22,547 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:00:22,547 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:00:22,547 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:00:22,548 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:22,548 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:22,549 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:22,696 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:22,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,701 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:22,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,725 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:22,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,754 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,755 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,761 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,762 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,781 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:22,782 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:22,783 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,783 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:22,783 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,784 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:22,784 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:22,883 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,888 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,889 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,895 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,896 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,896 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,896 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,901 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,902 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,902 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:22,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:22,917 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,917 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:22,917 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:22,918 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:22,918 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,008 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:00:23,067 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:23,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:23,081 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,081 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,082 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,142 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:00:23,143 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,143 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,143 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,143 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,144 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,241 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,241 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,242 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,242 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,242 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,250 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_41ada800-73ae-410c-9fab-9d5d201f344f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-12-14 14:00:23,289 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 14:00:23,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:00:23,374 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:00:23,503 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 14:00:23,507 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:00:23,508 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:00:23,508 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:00:23,510 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:00:23,511 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:00:23,512 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:00:23,513 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:00:23,514 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:00:23,514 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:00:23,520 WARN L623 FunctionHandler]: Unknown extern function __napi_alloc_skb [2022-12-14 14:00:23,523 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:00:23,526 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-12-14 14:00:23,528 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 14:00:23,528 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 14:00:23,528 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-12-14 14:00:23,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,545 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 14:00:23,548 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:00:23,549 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,551 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:23,551 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-12-14 14:00:23,551 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 14:00:23,553 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,556 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:00:23,557 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,558 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:00:23,558 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:23,558 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:00:23,561 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-14 14:00:23,563 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:00:23,563 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 14:00:23,565 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,565 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,566 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:00:23,567 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:00:23,568 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:23,568 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:23,568 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:00:23,569 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:00:23,569 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:23,570 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:00:23,570 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:00:23,571 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:23,572 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,573 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:23,575 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:23,578 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-14 14:00:23,578 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:23,582 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:23,582 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 14:00:23,585 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:00:23,586 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-14 14:00:23,587 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:00:23,592 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:23,593 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:23,595 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:00:23,595 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 14:00:23,595 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:23,600 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:23,603 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:23,606 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:00:23,610 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:00:23,619 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,641 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:00:23,646 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,651 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,652 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:00:23,652 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:00:23,655 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 14:00:23,659 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:00:23,660 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:00:23,660 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 14:00:23,661 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 14:00:23,661 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:00:23,661 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:00:23,662 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:00:23,662 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,663 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:23,663 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:00:23,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,664 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 14:00:23,665 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:00:23,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,665 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:00:23,672 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 14:00:23,674 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_6 [2022-12-14 14:00:23,675 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_7 [2022-12-14 14:00:23,675 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-12-14 14:00:23,675 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-12-14 14:00:23,676 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_7 [2022-12-14 14:00:23,677 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:23,677 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:23,677 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:00:23,680 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_5 [2022-12-14 14:00:23,681 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_5 [2022-12-14 14:00:23,681 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-12-14 14:00:23,682 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,682 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,683 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,683 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,683 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,686 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:00:23,686 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:00:23,687 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:23,687 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:00:23,688 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:00:23,688 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:00:23,688 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:00:23,689 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:00:23,689 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:00:23,689 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:00:23,689 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:23,690 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:23,690 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:00:23,692 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:23,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,694 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,696 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:23,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,707 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,711 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:23,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,738 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,739 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,741 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,742 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,768 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,769 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:23,770 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:00:23,770 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,770 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,771 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,771 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,771 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,773 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,774 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,776 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,776 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,776 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,776 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,777 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,777 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,778 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:00:23,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:00:23,785 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,785 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,785 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,786 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,786 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,789 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:00:23,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:23,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:00:23,805 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,805 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,805 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:00:23,812 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:00:23,813 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,813 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,813 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,813 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,813 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,817 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,819 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,821 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,822 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,823 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:00:23,824 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,825 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,825 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:00:23,825 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 14:00:23,826 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 14:00:23,827 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_41ada800-73ae-410c-9fab-9d5d201f344f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i[478203,478216] [2022-12-14 14:00:23,828 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-12-14 14:00:23,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:00:24,068 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:00:24,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24 WrapperNode [2022-12-14 14:00:24,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:00:24,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:00:24,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:00:24,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:00:24,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,411 INFO L138 Inliner]: procedures = 450, calls = 6036, calls flagged for inlining = 203, calls inlined = 184, statements flattened = 11246 [2022-12-14 14:00:24,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:00:24,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:00:24,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:00:24,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:00:24,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:00:24,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:00:24,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:00:24,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:00:24,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (1/1) ... [2022-12-14 14:00:24,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:00:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:00:24,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:00:24,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ada800-73ae-410c-9fab-9d5d201f344f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 14:00:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 14:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:00:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:00:24,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 14:00:24,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_error_detected [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_error_detected [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-12-14 14:00:24,828 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-12-14 14:00:24,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout_task [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout_task [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-12-14 14:00:24,829 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-12-14 14:00:24,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_features [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_features [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 14:00:24,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 14:00:24,830 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-12-14 14:00:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 14:00:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-12-14 14:00:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 14:00:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-12-14 14:00:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-12-14 14:00:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-12-14 14:00:24,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 14:00:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-12-14 14:00:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-12-14 14:00:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-12-14 14:00:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-12-14 14:00:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:00:24,833 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-12-14 14:00:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-12-14 14:00:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 14:00:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 14:00:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-12-14 14:00:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-12-14 14:00:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:00:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:00:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 14:00:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 14:00:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 14:00:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-12-14 14:00:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 14:00:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 14:00:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-12-14 14:00:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-12-14 14:00:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 14:00:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-12-14 14:00:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-14 14:00:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 14:00:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 14:00:24,836 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 14:00:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-12-14 14:00:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-12-14 14:00:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-12-14 14:00:24,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-12-14 14:00:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 14:00:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 14:00:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:00:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 14:00:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 14:00:24,839 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:00:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:00:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:00:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 14:00:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 14:00:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-12-14 14:00:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-12-14 14:00:24,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 14:00:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-12-14 14:00:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 14:00:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:00:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:00:24,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:00:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 14:00:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 14:00:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 14:00:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 14:00:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 14:00:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 14:00:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-14 14:00:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-14 14:00:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:00:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 14:00:24,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 14:00:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_kill_vid [2022-12-14 14:00:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_kill_vid [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 14:00:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:00:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_change_mtu [2022-12-14 14:00:24,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_change_mtu [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-12-14 14:00:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-12-14 14:00:24,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_fix_features [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_fix_features [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_slot_reset [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_slot_reset [2022-12-14 14:00:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 14:00:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 14:00:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 14:00:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 14:00:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:00:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_mac [2022-12-14 14:00:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_mac [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:00:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 14:00:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 14:00:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-12-14 14:00:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-12-14 14:00:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:00:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_stats [2022-12-14 14:00:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_stats [2022-12-14 14:00:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 14:00:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 14:00:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 14:00:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 14:00:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:00:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 14:00:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-12-14 14:00:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-12-14 14:00:25,674 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:00:25,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:00:25,953 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:00:50,884 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:00:52,380 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:00:52,380 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 14:00:52,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:00:52 BoogieIcfgContainer [2022-12-14 14:00:52,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:00:52,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:00:52,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:00:52,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:00:52,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:00:20" (1/3) ... [2022-12-14 14:00:52,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e18fc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:00:52, skipping insertion in model container [2022-12-14 14:00:52,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:00:24" (2/3) ... [2022-12-14 14:00:52,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e18fc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:00:52, skipping insertion in model container [2022-12-14 14:00:52,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:00:52" (3/3) ... [2022-12-14 14:00:52,394 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--intel--ixgb--ixgb.ko-entry_point.cil.out.i [2022-12-14 14:00:52,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:00:52,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:00:52,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:00:52,498 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;@cd13ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:00:52,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:00:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 2477 states, 1477 states have (on average 1.2721733243060258) internal successors, (1879), 1510 states have internal predecessors, (1879), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) [2022-12-14 14:00:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 14:00:52,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:00:52,521 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:00:52,522 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:00:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:00:52,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1502353960, now seen corresponding path program 1 times [2022-12-14 14:00:52,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:00:52,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005313945] [2022-12-14 14:00:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:00:52,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:00:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:00:53,374 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-14 14:00:53,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:00:53,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005313945] [2022-12-14 14:00:53,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005313945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:00:53,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:00:53,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:00:53,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626885491] [2022-12-14 14:00:53,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:00:53,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:00:53,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:00:53,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:00:53,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:00:53,407 INFO L87 Difference]: Start difference. First operand has 2477 states, 1477 states have (on average 1.2721733243060258) internal successors, (1879), 1510 states have internal predecessors, (1879), 871 states have call successors, (871), 128 states have call predecessors, (871), 127 states have return successors, (862), 858 states have call predecessors, (862), 862 states have call successors, (862) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:00:55,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:01,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:06,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:06,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:01:06,618 INFO L93 Difference]: Finished difference Result 6836 states and 10003 transitions. [2022-12-14 14:01:06,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:01:06,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 140 [2022-12-14 14:01:06,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:01:06,655 INFO L225 Difference]: With dead ends: 6836 [2022-12-14 14:01:06,655 INFO L226 Difference]: Without dead ends: 4323 [2022-12-14 14:01:06,673 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 14:01:06,676 INFO L413 NwaCegarLoop]: 3953 mSDtfsCounter, 2755 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 7106 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:01:06,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 7106 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 781 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2022-12-14 14:01:06,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4323 states. [2022-12-14 14:01:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4323 to 4312. [2022-12-14 14:01:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4312 states, 2550 states have (on average 1.2435294117647058) internal successors, (3171), 2587 states have internal predecessors, (3171), 1536 states have call successors, (1536), 226 states have call predecessors, (1536), 225 states have return successors, (1534), 1522 states have call predecessors, (1534), 1534 states have call successors, (1534) [2022-12-14 14:01:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 4312 states and 6241 transitions. [2022-12-14 14:01:07,042 INFO L78 Accepts]: Start accepts. Automaton has 4312 states and 6241 transitions. Word has length 140 [2022-12-14 14:01:07,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:01:07,043 INFO L495 AbstractCegarLoop]: Abstraction has 4312 states and 6241 transitions. [2022-12-14 14:01:07,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 14:01:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 6241 transitions. [2022-12-14 14:01:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-14 14:01:07,049 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:01:07,049 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:01:07,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:01:07,049 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:01:07,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:01:07,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1051796123, now seen corresponding path program 1 times [2022-12-14 14:01:07,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:01:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608202971] [2022-12-14 14:01:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:01:07,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:01:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:01:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-12-14 14:01:07,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:01:07,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608202971] [2022-12-14 14:01:07,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608202971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:01:07,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:01:07,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:01:07,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658365295] [2022-12-14 14:01:07,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:01:07,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:01:07,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:01:07,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:01:07,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:01:07,658 INFO L87 Difference]: Start difference. First operand 4312 states and 6241 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 14:01:15,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:20,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:22,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:22,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:01:22,993 INFO L93 Difference]: Finished difference Result 12658 states and 18294 transitions. [2022-12-14 14:01:22,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:01:22,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 174 [2022-12-14 14:01:22,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:01:23,030 INFO L225 Difference]: With dead ends: 12658 [2022-12-14 14:01:23,030 INFO L226 Difference]: Without dead ends: 8369 [2022-12-14 14:01:23,046 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 14:01:23,047 INFO L413 NwaCegarLoop]: 4290 mSDtfsCounter, 3335 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:01:23,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3335 Valid, 7440 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 723 Invalid, 2 Unknown, 0 Unchecked, 15.0s Time] [2022-12-14 14:01:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states. [2022-12-14 14:01:23,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 8363. [2022-12-14 14:01:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8363 states, 4944 states have (on average 1.2406957928802589) internal successors, (6134), 5014 states have internal predecessors, (6134), 2974 states have call successors, (2974), 445 states have call predecessors, (2974), 444 states have return successors, (2972), 2946 states have call predecessors, (2972), 2972 states have call successors, (2972) [2022-12-14 14:01:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8363 states to 8363 states and 12080 transitions. [2022-12-14 14:01:23,466 INFO L78 Accepts]: Start accepts. Automaton has 8363 states and 12080 transitions. Word has length 174 [2022-12-14 14:01:23,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:01:23,467 INFO L495 AbstractCegarLoop]: Abstraction has 8363 states and 12080 transitions. [2022-12-14 14:01:23,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 14:01:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 8363 states and 12080 transitions. [2022-12-14 14:01:23,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-14 14:01:23,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:01:23,474 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:01:23,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:01:23,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:01:23,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:01:23,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1329092271, now seen corresponding path program 1 times [2022-12-14 14:01:23,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:01:23,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234156813] [2022-12-14 14:01:23,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:01:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:01:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:01:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-12-14 14:01:24,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:01:24,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234156813] [2022-12-14 14:01:24,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234156813] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:01:24,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:01:24,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:01:24,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816110093] [2022-12-14 14:01:24,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:01:24,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:01:24,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:01:24,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:01:24,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:01:24,173 INFO L87 Difference]: Start difference. First operand 8363 states and 12080 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 14:01:25,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:35,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:43,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:01:43,724 INFO L93 Difference]: Finished difference Result 20870 states and 30150 transitions. [2022-12-14 14:01:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:01:43,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 266 [2022-12-14 14:01:43,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:01:43,790 INFO L225 Difference]: With dead ends: 20870 [2022-12-14 14:01:43,790 INFO L226 Difference]: Without dead ends: 12530 [2022-12-14 14:01:43,821 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 14:01:43,822 INFO L413 NwaCegarLoop]: 6206 mSDtfsCounter, 3386 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 9367 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:01:43,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 9367 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1020 Invalid, 2 Unknown, 0 Unchecked, 19.1s Time] [2022-12-14 14:01:43,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12530 states. [2022-12-14 14:01:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12530 to 12524. [2022-12-14 14:01:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12524 states, 7412 states have (on average 1.2402860226659471) internal successors, (9193), 7517 states have internal predecessors, (9193), 4444 states have call successors, (4444), 668 states have call predecessors, (4444), 667 states have return successors, (4442), 4402 states have call predecessors, (4442), 4442 states have call successors, (4442) [2022-12-14 14:01:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12524 states to 12524 states and 18079 transitions. [2022-12-14 14:01:44,453 INFO L78 Accepts]: Start accepts. Automaton has 12524 states and 18079 transitions. Word has length 266 [2022-12-14 14:01:44,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:01:44,454 INFO L495 AbstractCegarLoop]: Abstraction has 12524 states and 18079 transitions. [2022-12-14 14:01:44,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 14:01:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 12524 states and 18079 transitions. [2022-12-14 14:01:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-14 14:01:44,463 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:01:44,463 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:44,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:01:44,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:01:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:01:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1912343129, now seen corresponding path program 1 times [2022-12-14 14:01:44,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:01:44,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031786410] [2022-12-14 14:01:44,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:01:44,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:01:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:01:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-12-14 14:01:44,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:01:44,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031786410] [2022-12-14 14:01:44,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031786410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:01:44,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:01:44,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:01:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764503953] [2022-12-14 14:01:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:01:44,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:01:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:01:44,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:01:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:01:44,906 INFO L87 Difference]: Start difference. First operand 12524 states and 18079 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 14:01:45,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:01:57,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:00,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:00,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:02:00,893 INFO L93 Difference]: Finished difference Result 35319 states and 50747 transitions. [2022-12-14 14:02:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:02:00,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 280 [2022-12-14 14:02:00,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:02:00,993 INFO L225 Difference]: With dead ends: 35319 [2022-12-14 14:02:00,993 INFO L226 Difference]: Without dead ends: 22818 [2022-12-14 14:02:01,038 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 14:02:01,039 INFO L413 NwaCegarLoop]: 4112 mSDtfsCounter, 2926 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2926 SdHoareTripleChecker+Valid, 7247 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:02:01,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2926 Valid, 7247 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2022-12-14 14:02:01,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22818 states. [2022-12-14 14:02:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22818 to 22812. [2022-12-14 14:02:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22812 states, 13499 states have (on average 1.2340914141788282) internal successors, (16659), 13679 states have internal predecessors, (16659), 8017 states have call successors, (8017), 1296 states have call predecessors, (8017), 1295 states have return successors, (8015), 7955 states have call predecessors, (8015), 8015 states have call successors, (8015) [2022-12-14 14:02:02,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22812 states to 22812 states and 32691 transitions. [2022-12-14 14:02:02,215 INFO L78 Accepts]: Start accepts. Automaton has 22812 states and 32691 transitions. Word has length 280 [2022-12-14 14:02:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:02:02,215 INFO L495 AbstractCegarLoop]: Abstraction has 22812 states and 32691 transitions. [2022-12-14 14:02:02,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 14:02:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 22812 states and 32691 transitions. [2022-12-14 14:02:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-14 14:02:02,230 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:02:02,230 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:02:02,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:02:02,230 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:02:02,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:02:02,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1147515959, now seen corresponding path program 1 times [2022-12-14 14:02:02,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:02:02,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421705343] [2022-12-14 14:02:02,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:02:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:02:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:02:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-12-14 14:02:02,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:02:02,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421705343] [2022-12-14 14:02:02,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421705343] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:02:02,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:02:02,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:02:02,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607683555] [2022-12-14 14:02:02,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:02:02,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:02:02,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:02:02,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:02:02,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:02:02,702 INFO L87 Difference]: Start difference. First operand 22812 states and 32691 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 14:02:03,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:05,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:11,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:13,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:17,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:19,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:02:19,778 INFO L93 Difference]: Finished difference Result 45267 states and 64866 transitions. [2022-12-14 14:02:19,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:02:19,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 277 [2022-12-14 14:02:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:02:19,971 INFO L225 Difference]: With dead ends: 45267 [2022-12-14 14:02:19,971 INFO L226 Difference]: Without dead ends: 45263 [2022-12-14 14:02:19,992 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 14:02:19,992 INFO L413 NwaCegarLoop]: 4032 mSDtfsCounter, 3444 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 7113 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:02:19,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 7113 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 666 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-12-14 14:02:20,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45263 states. [2022-12-14 14:02:21,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45263 to 45261. [2022-12-14 14:02:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45261 states, 26793 states have (on average 1.2331952375620499) internal successors, (33041), 27138 states have internal predecessors, (33041), 15902 states have call successors, (15902), 2579 states have call predecessors, (15902), 2565 states have return successors, (15900), 15765 states have call predecessors, (15900), 15900 states have call successors, (15900) [2022-12-14 14:02:22,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45261 states to 45261 states and 64843 transitions. [2022-12-14 14:02:22,154 INFO L78 Accepts]: Start accepts. Automaton has 45261 states and 64843 transitions. Word has length 277 [2022-12-14 14:02:22,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:02:22,155 INFO L495 AbstractCegarLoop]: Abstraction has 45261 states and 64843 transitions. [2022-12-14 14:02:22,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 14:02:22,155 INFO L276 IsEmpty]: Start isEmpty. Operand 45261 states and 64843 transitions. [2022-12-14 14:02:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-12-14 14:02:22,178 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:02:22,178 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:02:22,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:02:22,179 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:02:22,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:02:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash 930523844, now seen corresponding path program 1 times [2022-12-14 14:02:22,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:02:22,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111870835] [2022-12-14 14:02:22,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:02:22,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:02:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:02:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1835 trivial. 0 not checked. [2022-12-14 14:02:22,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:02:22,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111870835] [2022-12-14 14:02:22,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111870835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:02:22,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:02:22,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:02:22,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245113862] [2022-12-14 14:02:22,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:02:22,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:02:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:02:22,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:02:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:02:22,779 INFO L87 Difference]: Start difference. First operand 45261 states and 64843 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 14:02:24,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:31,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:33,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:35,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:39,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:41,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:02:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:02:43,048 INFO L93 Difference]: Finished difference Result 67726 states and 97035 transitions. [2022-12-14 14:02:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:02:43,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 390 [2022-12-14 14:02:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:02:43,332 INFO L225 Difference]: With dead ends: 67726 [2022-12-14 14:02:43,332 INFO L226 Difference]: Without dead ends: 67722 [2022-12-14 14:02:43,355 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 14:02:43,356 INFO L413 NwaCegarLoop]: 4034 mSDtfsCounter, 3437 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:02:43,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 7115 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 668 Invalid, 3 Unknown, 0 Unchecked, 18.9s Time] [2022-12-14 14:02:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67722 states. [2022-12-14 14:02:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67722 to 67689. [2022-12-14 14:02:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67689 states, 40075 states have (on average 1.2330380536494074) internal successors, (49414), 40593 states have internal predecessors, (49414), 23778 states have call successors, (23778), 3849 states have call predecessors, (23778), 3835 states have return successors, (23776), 23573 states have call predecessors, (23776), 23776 states have call successors, (23776) [2022-12-14 14:02:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67689 states to 67689 states and 96968 transitions. [2022-12-14 14:02:46,831 INFO L78 Accepts]: Start accepts. Automaton has 67689 states and 96968 transitions. Word has length 390 [2022-12-14 14:02:46,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:02:46,832 INFO L495 AbstractCegarLoop]: Abstraction has 67689 states and 96968 transitions. [2022-12-14 14:02:46,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-12-14 14:02:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 67689 states and 96968 transitions. [2022-12-14 14:02:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2022-12-14 14:02:46,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:02:46,983 INFO L195 NwaCegarLoop]: trace histogram [45, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:46,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:02:46,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:02:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:02:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1402385577, now seen corresponding path program 1 times [2022-12-14 14:02:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:02:46,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593391513] [2022-12-14 14:02:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:02:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms