./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/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_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/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_0db6c499-c928-4139-9c66-6094ea052b14/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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- 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 10:08:02,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:08:02,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:08:02,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:08:02,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:08:02,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:08:02,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:08:02,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:08:02,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:08:02,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:08:02,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:08:02,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:08:02,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:08:02,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:08:02,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:08:02,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:08:02,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:08:02,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:08:02,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:08:02,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:08:02,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:08:02,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:08:02,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:08:02,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:08:02,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:08:02,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:08:02,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:08:02,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:08:02,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:08:02,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:08:02,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:08:02,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:08:02,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:08:02,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:08:02,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:08:02,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:08:02,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:08:02,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:08:02,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:08:02,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:08:02,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:08:02,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:08:02,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:08:02,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:08:02,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:08:02,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:08:02,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:08:02,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:08:02,505 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:08:02,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:08:02,506 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:08:02,506 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:08:02,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:08:02,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:08:02,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:08:02,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:08:02,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:08:02,507 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:08:02,507 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:08:02,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:08:02,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:08:02,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:08:02,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:08:02,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:08:02,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:08:02,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:08:02,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:08:02,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:08:02,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:08:02,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:08:02,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:08:02,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:08:02,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:08:02,511 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:08:02,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:08:02,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:08:02,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:08:02,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:08:02,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:08:02,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:08:02,512 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_0db6c499-c928-4139-9c66-6094ea052b14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-12-14 10:08:02,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:08:02,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:08:02,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:08:02,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:08:02,720 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:08:02,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 10:08:05,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:08:05,681 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:08:05,682 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 10:08:05,712 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/data/f2415d9d7/0563dd8612f245678b5a13ddb531e793/FLAGb01a7444e [2022-12-14 10:08:05,722 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/data/f2415d9d7/0563dd8612f245678b5a13ddb531e793 [2022-12-14 10:08:05,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:08:05,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:08:05,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:08:05,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:08:05,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:08:05,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:05" (1/1) ... [2022-12-14 10:08:05,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3a749f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:05, skipping insertion in model container [2022-12-14 10:08:05,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:08:05" (1/1) ... [2022-12-14 10:08:05,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:08:05,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:08:06,453 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:08:06,494 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:08:06,499 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:08:06,503 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:08:06,532 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:08:06,567 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 10:08:06,579 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 10:08:06,619 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 10:08:06,620 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 10:08:06,701 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 10:08:06,704 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 10:08:06,704 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 10:08:06,711 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 10:08:06,718 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 10:08:06,725 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 10:08:06,730 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 10:08:06,758 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:08:06,765 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:06,768 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:08:06,775 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 10:08:06,872 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:06,878 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 10:08:06,892 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 10:08:06,948 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:08:06,948 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,002 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 10:08:07,003 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 10:08:07,013 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:07,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:08:07,047 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 10:08:07,052 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 10:08:07,139 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 10:08:07,144 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 10:08:07,189 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 10:08:07,251 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 10:08:07,274 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 10:08:07,492 WARN L623 FunctionHandler]: Unknown extern function pci_find_ext_capability [2022-12-14 10:08:07,493 WARN L623 FunctionHandler]: Unknown extern function pcie_capability_write_word [2022-12-14 10:08:07,495 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,507 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 10:08:07,514 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,521 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:07,523 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:07,529 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:07,530 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:07,531 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,532 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:07,533 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:07,534 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 10:08:07,542 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:07,542 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:07,551 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:07,551 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:07,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,619 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,619 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,620 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-14 10:08:07,635 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:07,636 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,671 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:08:07,672 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,673 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,674 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:08:07,674 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:08:07,680 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:07,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:07,704 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 10:08:07,711 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,713 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:07,726 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-12-14 10:08:07,727 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 10:08:07,743 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,744 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,785 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 10:08:07,786 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,787 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,798 WARN L623 FunctionHandler]: Unknown extern function build_skb [2022-12-14 10:08:07,799 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,800 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:07,801 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:08:07,814 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,815 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,816 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,816 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 10:08:07,816 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 10:08:07,817 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 10:08:07,823 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 10:08:07,828 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 10:08:07,829 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 10:08:07,856 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 10:08:07,857 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,859 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:07,859 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 10:08:07,860 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,887 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 10:08:07,887 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 10:08:07,888 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 10:08:07,888 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 10:08:07,888 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:07,890 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:08:07,890 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:07,895 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:08:07,901 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 10:08:07,901 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,902 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,902 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:08:07,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,904 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:07,905 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:07,905 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:07,916 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:07,917 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:08:07,923 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:07,923 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:07,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,930 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:07,936 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 10:08:07,936 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:08:07,947 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 10:08:07,947 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,948 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,949 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:08:07,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,949 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:08:07,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,951 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,951 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 10:08:07,951 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:08:07,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:07,954 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:08:07,954 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:08:07,955 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,955 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:07,956 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 10:08:07,956 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:08:07,956 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:07,961 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 10:08:07,962 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:08:07,962 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:07,967 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:07,967 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:07,973 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:08:07,973 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,973 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:08:07,979 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:07,979 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:08,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,499 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 10:08:08,505 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:08:08,505 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:08:08,515 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:08:08,523 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:08:08,529 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 10:08:08,535 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:08:08,536 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:08:08,538 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:08:08,538 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 10:08:08,539 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 10:08:08,539 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 10:08:08,540 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 10:08:08,540 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 10:08:08,541 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 10:08:08,541 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 10:08:08,541 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 10:08:08,567 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 10:08:08,633 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:08,634 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,635 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:08,636 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:08,636 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,638 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,640 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 10:08:08,642 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,643 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,654 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,655 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,656 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:08,657 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:08,658 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:08,659 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:08,660 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:08,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:08,663 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:08,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:08,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:08,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:08,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:08,727 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:08,727 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:08,728 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:08,771 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:08,771 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:08,776 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:08,777 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:08,777 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:08,789 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:08:08,796 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 10:08:08,887 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 10:08:08,887 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:08:08,925 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:08:09,011 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-12-14 10:08:09,014 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-12-14 10:08:09,015 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-12-14 10:08:09,015 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-12-14 10:08:09,021 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,021 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,023 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,023 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,023 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,035 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:08:09,072 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:08:09,161 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:08:09,162 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:08:09,162 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:08:09,162 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:08:09,163 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:08:09,163 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 10:08:09,164 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 10:08:09,165 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 10:08:09,165 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 10:08:09,169 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 10:08:09,170 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 10:08:09,170 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 10:08:09,171 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 10:08:09,171 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 10:08:09,172 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 10:08:09,172 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 10:08:09,174 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:08:09,175 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,175 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:08:09,176 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 10:08:09,178 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,179 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-12-14 10:08:09,179 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 10:08:09,180 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:08:09,181 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,182 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 10:08:09,182 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 10:08:09,183 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:08:09,185 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 10:08:09,185 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 10:08:09,185 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_dword [2022-12-14 10:08:09,187 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-12-14 10:08:09,188 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 10:08:09,190 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 10:08:09,190 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 10:08:09,198 WARN L623 FunctionHandler]: Unknown extern function pci_find_ext_capability [2022-12-14 10:08:09,198 WARN L623 FunctionHandler]: Unknown extern function pcie_capability_write_word [2022-12-14 10:08:09,199 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,200 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 10:08:09,201 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,201 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:09,201 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,203 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:09,203 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:09,203 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,204 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:09,205 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:09,206 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 10:08:09,207 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:09,207 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:09,209 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:09,209 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:09,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,220 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,220 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,221 WARN L623 FunctionHandler]: Unknown extern function netdev_update_features [2022-12-14 10:08:09,222 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 10:08:09,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,227 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:08:09,228 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,229 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,229 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:08:09,229 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:08:09,230 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:09,233 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:09,234 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 10:08:09,235 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,237 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:09,239 WARN L623 FunctionHandler]: Unknown extern function pcie_get_readrq [2022-12-14 10:08:09,239 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 10:08:09,247 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,247 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,277 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 10:08:09,277 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,277 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,279 WARN L623 FunctionHandler]: Unknown extern function build_skb [2022-12-14 10:08:09,281 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,281 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:09,282 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:08:09,286 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,287 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,287 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,288 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 10:08:09,288 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 10:08:09,289 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 10:08:09,289 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 10:08:09,290 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 10:08:09,290 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 10:08:09,295 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 10:08:09,297 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,299 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,300 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 10:08:09,301 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,311 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 10:08:09,312 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 10:08:09,312 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 10:08:09,312 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 10:08:09,312 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:09,314 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:08:09,315 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 10:08:09,315 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:08:09,316 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 10:08:09,316 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,317 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,317 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:08:09,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,319 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:09,320 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:08:09,320 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,321 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,322 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:08:09,323 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:08:09,323 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:09,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,325 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:09,325 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 10:08:09,326 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:08:09,328 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 10:08:09,328 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,328 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,329 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,329 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:08:09,329 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,330 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:08:09,330 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,335 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,336 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 10:08:09,336 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:08:09,336 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,338 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:08:09,338 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:08:09,339 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,339 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 10:08:09,340 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 10:08:09,340 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:08:09,340 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:09,341 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 10:08:09,341 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:08:09,341 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:09,342 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 10:08:09,342 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:08:09,342 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:08:09,342 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,343 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:08:09,343 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,344 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 10:08:09,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,349 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,350 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,350 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,350 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,350 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,351 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,355 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 10:08:09,358 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:08:09,359 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:08:09,365 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:08:09,371 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:08:09,395 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 10:08:09,401 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:08:09,401 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:08:09,404 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:08:09,404 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 10:08:09,405 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 10:08:09,405 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 10:08:09,405 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 10:08:09,405 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 10:08:09,406 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 10:08:09,406 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 10:08:09,406 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 10:08:09,407 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 10:08:09,412 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,412 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,413 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,414 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,414 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,415 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,417 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 10:08:09,418 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,419 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,428 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,428 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,430 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,433 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,434 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,446 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 10:08:09,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,451 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 10:08:09,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 10:08:09,460 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,462 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:08:09,462 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,463 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 10:08:09,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:09,474 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:08:09,474 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:09,474 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:09,474 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 10:08:09,476 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-12-14 10:08:09,477 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 10:08:09,480 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 10:08:09,481 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:08:09,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:08:09,486 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-12-14 10:08:09,486 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-12-14 10:08:09,487 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-12-14 10:08:09,487 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_0db6c499-c928-4139-9c66-6094ea052b14/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-12-14 10:08:09,488 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:08:09,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:08:09,652 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:08:09,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09 WrapperNode [2022-12-14 10:08:09,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:08:09,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:08:09,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:08:09,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:08:09,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:09,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:09,942 INFO L138 Inliner]: procedures = 581, calls = 3848, calls flagged for inlining = 356, calls inlined = 344, statements flattened = 10301 [2022-12-14 10:08:09,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:08:09,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:08:09,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:08:09,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:08:09,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:09,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,198 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:08:10,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:08:10,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:08:10,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:08:10,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (1/1) ... [2022-12-14 10:08:10,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:08:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:08:10,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:08:10,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0db6c499-c928-4139-9c66-6094ea052b14/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-12-14 10:08:10,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-12-14 10:08:10,325 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 10:08:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 10:08:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-14 10:08:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-12-14 10:08:10,327 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 10:08:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 10:08:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-12-14 10:08:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-12-14 10:08:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-12-14 10:08:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-12-14 10:08:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-12-14 10:08:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-12-14 10:08:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-12-14 10:08:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 10:08:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 10:08:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 10:08:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 10:08:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-12-14 10:08:10,356 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-12-14 10:08:10,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 10:08:10,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:08:10,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 10:08:10,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 10:08:10,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-12-14 10:08:10,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 10:08:10,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-12-14 10:08:10,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-12-14 10:08:10,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:08:10,361 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 10:08:10,361 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 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-12-14 10:08:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-12-14 10:08:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 10:08:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 10:08:10,362 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 10:08:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 10:08:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-12-14 10:08:10,364 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-12-14 10:08:10,364 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 10:08:10,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 10:08:10,365 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-12-14 10:08:10,366 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-12-14 10:08:10,366 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 10:08:10,367 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 10:08:10,367 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 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 10:08:10,367 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-12-14 10:08:10,367 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-12-14 10:08:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:08:10,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 10:08:10,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 10:08:11,182 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:08:11,185 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:08:11,584 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:08:18,653 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 10:08:19,001 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:08:20,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:08:20,892 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:08:20,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:20 BoogieIcfgContainer [2022-12-14 10:08:20,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:08:20,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:08:20,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:08:20,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:08:20,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:08:05" (1/3) ... [2022-12-14 10:08:20,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d85663f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:08:20, skipping insertion in model container [2022-12-14 10:08:20,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:08:09" (2/3) ... [2022-12-14 10:08:20,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d85663f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:08:20, skipping insertion in model container [2022-12-14 10:08:20,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:08:20" (3/3) ... [2022-12-14 10:08:20,902 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-12-14 10:08:20,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:08:20,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 10:08:20,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:08:20,991 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;@f18ef86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:08:20,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 10:08:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 3181 states, 1898 states have (on average 1.2665964172813489) internal successors, (2404), 1937 states have internal predecessors, (2404), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) [2022-12-14 10:08:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-14 10:08:21,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:08:21,016 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:08:21,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:08:21,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:08:21,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1316925764, now seen corresponding path program 1 times [2022-12-14 10:08:21,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:08:21,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018503948] [2022-12-14 10:08:21,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:08:21,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:08:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:08:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-12-14 10:08:21,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:08:21,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018503948] [2022-12-14 10:08:21,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018503948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:08:21,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:08:21,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:08:21,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806568646] [2022-12-14 10:08:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:08:21,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:08:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:08:21,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:08:21,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:08:21,572 INFO L87 Difference]: Start difference. First operand has 3181 states, 1898 states have (on average 1.2665964172813489) internal successors, (2404), 1937 states have internal predecessors, (2404), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 10:08:24,015 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 10:08:26,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:08:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:08:28,267 INFO L93 Difference]: Finished difference Result 9400 states and 13719 transitions. [2022-12-14 10:08:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:08:28,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 193 [2022-12-14 10:08:28,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:08:28,320 INFO L225 Difference]: With dead ends: 9400 [2022-12-14 10:08:28,321 INFO L226 Difference]: Without dead ends: 6241 [2022-12-14 10:08:28,337 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 10:08:28,340 INFO L413 NwaCegarLoop]: 5186 mSDtfsCounter, 4515 mSDsluCounter, 4071 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4515 SdHoareTripleChecker+Valid, 9257 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:08:28,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4515 Valid, 9257 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 10:08:28,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6241 states. [2022-12-14 10:08:28,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6241 to 6239. [2022-12-14 10:08:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6239 states, 3735 states have (on average 1.2629183400267738) internal successors, (4717), 3812 states have internal predecessors, (4717), 2185 states have call successors, (2185), 318 states have call predecessors, (2185), 317 states have return successors, (2182), 2164 states have call predecessors, (2182), 2182 states have call successors, (2182) [2022-12-14 10:08:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 9084 transitions. [2022-12-14 10:08:28,818 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 9084 transitions. Word has length 193 [2022-12-14 10:08:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:08:28,819 INFO L495 AbstractCegarLoop]: Abstraction has 6239 states and 9084 transitions. [2022-12-14 10:08:28,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 10:08:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 9084 transitions. [2022-12-14 10:08:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 10:08:28,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:08:28,833 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:28,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:08:28,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:08:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:08:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash -381609269, now seen corresponding path program 1 times [2022-12-14 10:08:28,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:08:28,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135288303] [2022-12-14 10:08:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:08:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:08:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:08:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-12-14 10:08:29,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:08:29,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135288303] [2022-12-14 10:08:29,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135288303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:08:29,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:08:29,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:08:29,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570445608] [2022-12-14 10:08:29,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:08:29,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:08:29,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:08:29,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:08:29,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:08:29,105 INFO L87 Difference]: Start difference. First operand 6239 states and 9084 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 10:08:31,549 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 10:08:36,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:08:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:08:36,894 INFO L93 Difference]: Finished difference Result 14906 states and 21651 transitions. [2022-12-14 10:08:36,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:08:36,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 208 [2022-12-14 10:08:36,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:08:36,933 INFO L225 Difference]: With dead ends: 14906 [2022-12-14 10:08:36,933 INFO L226 Difference]: Without dead ends: 8702 [2022-12-14 10:08:36,957 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 10:08:36,958 INFO L413 NwaCegarLoop]: 5194 mSDtfsCounter, 4005 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4005 SdHoareTripleChecker+Valid, 9235 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:08:36,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4005 Valid, 9235 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1107 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-12-14 10:08:36,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8702 states. [2022-12-14 10:08:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8702 to 8693. [2022-12-14 10:08:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8693 states, 5221 states have (on average 1.2585711549511587) internal successors, (6571), 5325 states have internal predecessors, (6571), 3006 states have call successors, (3006), 466 states have call predecessors, (3006), 464 states have return successors, (3003), 2973 states have call predecessors, (3003), 3003 states have call successors, (3003) [2022-12-14 10:08:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8693 states to 8693 states and 12580 transitions. [2022-12-14 10:08:37,347 INFO L78 Accepts]: Start accepts. Automaton has 8693 states and 12580 transitions. Word has length 208 [2022-12-14 10:08:37,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:08:37,348 INFO L495 AbstractCegarLoop]: Abstraction has 8693 states and 12580 transitions. [2022-12-14 10:08:37,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 10:08:37,348 INFO L276 IsEmpty]: Start isEmpty. Operand 8693 states and 12580 transitions. [2022-12-14 10:08:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-14 10:08:37,353 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:08:37,354 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 10:08:37,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:08:37,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:08:37,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:08:37,354 INFO L85 PathProgramCache]: Analyzing trace with hash -688489656, now seen corresponding path program 1 times [2022-12-14 10:08:37,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:08:37,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089994985] [2022-12-14 10:08:37,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:08:37,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:08:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:08:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-12-14 10:08:37,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:08:37,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089994985] [2022-12-14 10:08:37,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089994985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:08:37,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:08:37,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:08:37,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621662775] [2022-12-14 10:08:37,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:08:37,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:08:37,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:08:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:08:37,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:08:37,566 INFO L87 Difference]: Start difference. First operand 8693 states and 12580 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 10:08:39,922 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 10:08:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:08:43,938 INFO L93 Difference]: Finished difference Result 23104 states and 33446 transitions. [2022-12-14 10:08:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:08:43,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 221 [2022-12-14 10:08:43,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:08:44,000 INFO L225 Difference]: With dead ends: 23104 [2022-12-14 10:08:44,000 INFO L226 Difference]: Without dead ends: 14446 [2022-12-14 10:08:44,026 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 10:08:44,026 INFO L413 NwaCegarLoop]: 5374 mSDtfsCounter, 4450 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 9435 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:08:44,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4450 Valid, 9435 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1115 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 10:08:44,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2022-12-14 10:08:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 14433. [2022-12-14 10:08:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14433 states, 8668 states have (on average 1.2568066451315183) internal successors, (10894), 8850 states have internal predecessors, (10894), 4993 states have call successors, (4993), 773 states have call predecessors, (4993), 770 states have return successors, (4990), 4931 states have call predecessors, (4990), 4990 states have call successors, (4990) [2022-12-14 10:08:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14433 states to 14433 states and 20877 transitions. [2022-12-14 10:08:44,646 INFO L78 Accepts]: Start accepts. Automaton has 14433 states and 20877 transitions. Word has length 221 [2022-12-14 10:08:44,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:08:44,646 INFO L495 AbstractCegarLoop]: Abstraction has 14433 states and 20877 transitions. [2022-12-14 10:08:44,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 10:08:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 14433 states and 20877 transitions. [2022-12-14 10:08:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-12-14 10:08:44,653 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:08:44,653 INFO L195 NwaCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 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] [2022-12-14 10:08:44,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:08:44,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:08:44,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:08:44,654 INFO L85 PathProgramCache]: Analyzing trace with hash 275756286, now seen corresponding path program 1 times [2022-12-14 10:08:44,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:08:44,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57511883] [2022-12-14 10:08:44,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:08:44,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:09:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1161 trivial. 0 not checked. [2022-12-14 10:13:25,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57511883] [2022-12-14 10:13:25,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57511883] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:25,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:25,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:13:25,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140797968] [2022-12-14 10:13:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:25,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:13:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:25,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:13:25,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:13:25,057 INFO L87 Difference]: Start difference. First operand 14433 states and 20877 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 10:13:27,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:13:30,631 WARN L539 Checker$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 10:13:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:32,482 INFO L93 Difference]: Finished difference Result 36448 states and 52507 transitions. [2022-12-14 10:13:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:13:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 224 [2022-12-14 10:13:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:32,551 INFO L225 Difference]: With dead ends: 36448 [2022-12-14 10:13:32,552 INFO L226 Difference]: Without dead ends: 22050 [2022-12-14 10:13:32,585 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 10:13:32,586 INFO L413 NwaCegarLoop]: 4893 mSDtfsCounter, 3333 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 8919 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:32,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 8919 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1077 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 10:13:32,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22050 states. [2022-12-14 10:13:33,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22050 to 22035. [2022-12-14 10:13:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22035 states, 13176 states have (on average 1.2502276867030966) internal successors, (16473), 13467 states have internal predecessors, (16473), 7585 states have call successors, (7585), 1281 states have call predecessors, (7585), 1272 states have return successors, (7586), 7471 states have call predecessors, (7586), 7582 states have call successors, (7586) [2022-12-14 10:13:33,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22035 states to 22035 states and 31644 transitions. [2022-12-14 10:13:33,509 INFO L78 Accepts]: Start accepts. Automaton has 22035 states and 31644 transitions. Word has length 224 [2022-12-14 10:13:33,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:33,509 INFO L495 AbstractCegarLoop]: Abstraction has 22035 states and 31644 transitions. [2022-12-14 10:13:33,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 10:13:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 22035 states and 31644 transitions. [2022-12-14 10:13:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-14 10:13:33,515 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:33,515 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 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] [2022-12-14 10:13:33,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:13:33,516 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:13:33,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:33,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1647460238, now seen corresponding path program 1 times [2022-12-14 10:13:33,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:33,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86467358] [2022-12-14 10:13:33,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-12-14 10:13:33,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:33,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86467358] [2022-12-14 10:13:33,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86467358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:33,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:33,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:13:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53923321] [2022-12-14 10:13:33,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:33,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:13:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:13:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:13:33,997 INFO L87 Difference]: Start difference. First operand 22035 states and 31644 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:13:37,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:13:41,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:13:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:42,564 INFO L93 Difference]: Finished difference Result 42113 states and 60528 transitions. [2022-12-14 10:13:42,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:13:42,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 237 [2022-12-14 10:13:42,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:42,703 INFO L225 Difference]: With dead ends: 42113 [2022-12-14 10:13:42,703 INFO L226 Difference]: Without dead ends: 42042 [2022-12-14 10:13:42,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:13:42,727 INFO L413 NwaCegarLoop]: 6110 mSDtfsCounter, 4515 mSDsluCounter, 10143 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4515 SdHoareTripleChecker+Valid, 16253 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:42,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4515 Valid, 16253 Invalid, 1863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1861 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 10:13:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42042 states. [2022-12-14 10:13:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42042 to 42032. [2022-12-14 10:13:44,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42032 states, 25167 states have (on average 1.2508443596773553) internal successors, (31480), 25708 states have internal predecessors, (31480), 14448 states have call successors, (14448), 2428 states have call predecessors, (14448), 2415 states have return successors, (14453), 14250 states have call predecessors, (14453), 14445 states have call successors, (14453) [2022-12-14 10:13:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42032 states to 42032 states and 60381 transitions. [2022-12-14 10:13:44,443 INFO L78 Accepts]: Start accepts. Automaton has 42032 states and 60381 transitions. Word has length 237 [2022-12-14 10:13:44,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:44,443 INFO L495 AbstractCegarLoop]: Abstraction has 42032 states and 60381 transitions. [2022-12-14 10:13:44,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:13:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 42032 states and 60381 transitions. [2022-12-14 10:13:44,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-12-14 10:13:44,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:44,452 INFO L195 NwaCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:13:44,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:13:44,452 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:13:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1334535467, now seen corresponding path program 1 times [2022-12-14 10:13:44,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:44,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349701503] [2022-12-14 10:13:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:44,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1266 trivial. 0 not checked. [2022-12-14 10:13:44,723 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:44,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349701503] [2022-12-14 10:13:44,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349701503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:44,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:44,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:13:44,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469830163] [2022-12-14 10:13:44,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:44,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:13:44,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:44,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:13:44,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:13:44,726 INFO L87 Difference]: Start difference. First operand 42032 states and 60381 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 10:13:48,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:13:51,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:13:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:13:52,919 INFO L93 Difference]: Finished difference Result 100850 states and 144937 transitions. [2022-12-14 10:13:52,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:13:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 257 [2022-12-14 10:13:52,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:13:53,176 INFO L225 Difference]: With dead ends: 100850 [2022-12-14 10:13:53,176 INFO L226 Difference]: Without dead ends: 60715 [2022-12-14 10:13:53,402 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 10:13:53,402 INFO L413 NwaCegarLoop]: 7553 mSDtfsCounter, 3999 mSDsluCounter, 4039 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3999 SdHoareTripleChecker+Valid, 11592 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:13:53,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3999 Valid, 11592 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1524 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 10:13:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60715 states. [2022-12-14 10:13:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60715 to 60696. [2022-12-14 10:13:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60696 states, 36371 states have (on average 1.2496769404195651) internal successors, (45452), 37144 states have internal predecessors, (45452), 20816 states have call successors, (20816), 3528 states have call predecessors, (20816), 3507 states have return successors, (20825), 20526 states have call predecessors, (20825), 20813 states have call successors, (20825) [2022-12-14 10:13:56,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60696 states to 60696 states and 87093 transitions. [2022-12-14 10:13:56,087 INFO L78 Accepts]: Start accepts. Automaton has 60696 states and 87093 transitions. Word has length 257 [2022-12-14 10:13:56,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:13:56,088 INFO L495 AbstractCegarLoop]: Abstraction has 60696 states and 87093 transitions. [2022-12-14 10:13:56,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-12-14 10:13:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 60696 states and 87093 transitions. [2022-12-14 10:13:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-12-14 10:13:56,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:13:56,109 INFO L195 NwaCegarLoop]: trace histogram [22, 17, 17, 17, 17, 17, 17, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:13:56,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:13:56,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:13:56,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:13:56,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1266540480, now seen corresponding path program 1 times [2022-12-14 10:13:56,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:13:56,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739903274] [2022-12-14 10:13:56,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:13:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:13:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:13:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-12-14 10:13:56,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:13:56,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739903274] [2022-12-14 10:13:56,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739903274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:13:56,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:13:56,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:13:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077172192] [2022-12-14 10:13:56,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:13:56,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:13:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:13:56,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:13:56,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:13:56,378 INFO L87 Difference]: Start difference. First operand 60696 states and 87093 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 10:13:59,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:03,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:05,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:07,954 WARN L539 Checker$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 10:14:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:14:09,319 INFO L93 Difference]: Finished difference Result 148534 states and 213256 transitions. [2022-12-14 10:14:09,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:14:09,320 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 282 [2022-12-14 10:14:09,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:14:09,724 INFO L225 Difference]: With dead ends: 148534 [2022-12-14 10:14:09,724 INFO L226 Difference]: Without dead ends: 89735 [2022-12-14 10:14:09,962 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 10:14:09,963 INFO L413 NwaCegarLoop]: 8042 mSDtfsCounter, 4450 mSDsluCounter, 4059 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 12101 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:14:09,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4450 Valid, 12101 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1569 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-12-14 10:14:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89735 states. [2022-12-14 10:14:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89735 to 89702. [2022-12-14 10:14:13,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89702 states, 53752 states have (on average 1.2491256139306444) internal successors, (67143), 54913 states have internal predecessors, (67143), 30770 states have call successors, (30770), 5209 states have call predecessors, (30770), 5178 states have return successors, (30785), 30326 states have call predecessors, (30785), 30767 states have call successors, (30785) [2022-12-14 10:14:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89702 states to 89702 states and 128698 transitions. [2022-12-14 10:14:13,609 INFO L78 Accepts]: Start accepts. Automaton has 89702 states and 128698 transitions. Word has length 282 [2022-12-14 10:14:13,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:14:13,610 INFO L495 AbstractCegarLoop]: Abstraction has 89702 states and 128698 transitions. [2022-12-14 10:14:13,610 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 10:14:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 89702 states and 128698 transitions. [2022-12-14 10:14:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-12-14 10:14:13,632 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:14:13,632 INFO L195 NwaCegarLoop]: trace histogram [24, 17, 17, 17, 17, 17, 17, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:14:13,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:14:13,632 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:14:13,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:14:13,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1381375889, now seen corresponding path program 1 times [2022-12-14 10:14:13,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:14:13,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030029794] [2022-12-14 10:14:13,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:14:13,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:14:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:14:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2022-12-14 10:14:14,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:14:14,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030029794] [2022-12-14 10:14:14,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030029794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:14:14,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:14:14,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:14:14,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984814988] [2022-12-14 10:14:14,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:14:14,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:14:14,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:14:14,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:14:14,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:14:14,129 INFO L87 Difference]: Start difference. First operand 89702 states and 128698 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:14:17,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:21,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:23,619 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 10:14:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:14:24,738 INFO L93 Difference]: Finished difference Result 89742 states and 128742 transitions. [2022-12-14 10:14:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:14:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2022-12-14 10:14:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:14:25,128 INFO L225 Difference]: With dead ends: 89742 [2022-12-14 10:14:25,129 INFO L226 Difference]: Without dead ends: 89740 [2022-12-14 10:14:25,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:14:25,170 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 4512 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 8166 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:14:25,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 8166 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1039 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 10:14:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89740 states. [2022-12-14 10:14:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89740 to 89700. [2022-12-14 10:14:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89700 states, 53751 states have (on average 1.2487581626388347) internal successors, (67122), 54911 states have internal predecessors, (67122), 30770 states have call successors, (30770), 5209 states have call predecessors, (30770), 5178 states have return successors, (30785), 30326 states have call predecessors, (30785), 30767 states have call successors, (30785) [2022-12-14 10:14:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89700 states to 89700 states and 128677 transitions. [2022-12-14 10:14:29,293 INFO L78 Accepts]: Start accepts. Automaton has 89700 states and 128677 transitions. Word has length 306 [2022-12-14 10:14:29,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:14:29,294 INFO L495 AbstractCegarLoop]: Abstraction has 89700 states and 128677 transitions. [2022-12-14 10:14:29,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:14:29,294 INFO L276 IsEmpty]: Start isEmpty. Operand 89700 states and 128677 transitions. [2022-12-14 10:14:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-12-14 10:14:29,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:14:29,383 INFO L195 NwaCegarLoop]: trace histogram [28, 19, 19, 19, 19, 19, 19, 14, 14, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:14:29,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:14:29,384 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:14:29,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:14:29,384 INFO L85 PathProgramCache]: Analyzing trace with hash 498957309, now seen corresponding path program 1 times [2022-12-14 10:14:29,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:14:29,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503274600] [2022-12-14 10:14:29,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:14:29,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:14:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:14:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2109 trivial. 0 not checked. [2022-12-14 10:14:30,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:14:30,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503274600] [2022-12-14 10:14:30,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503274600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:14:30,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:14:30,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:14:30,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430728169] [2022-12-14 10:14:30,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:14:30,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:14:30,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:14:30,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:14:30,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:14:30,218 INFO L87 Difference]: Start difference. First operand 89700 states and 128677 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 10:14:32,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:33,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:14:37,354 WARN L539 Checker$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 10:14:41,830 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 10:14:43,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:14:43,118 INFO L93 Difference]: Finished difference Result 133725 states and 191899 transitions. [2022-12-14 10:14:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:14:43,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 470 [2022-12-14 10:14:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:14:43,747 INFO L225 Difference]: With dead ends: 133725 [2022-12-14 10:14:43,747 INFO L226 Difference]: Without dead ends: 133580 [2022-12-14 10:14:43,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:14:43,811 INFO L413 NwaCegarLoop]: 5174 mSDtfsCounter, 4448 mSDsluCounter, 9205 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 14379 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:14:43,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 14379 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1555 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 10:14:43,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133580 states. [2022-12-14 10:14:49,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133580 to 133580. [2022-12-14 10:14:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133580 states, 80071 states have (on average 1.2486043636272808) internal successors, (99977), 81771 states have internal predecessors, (99977), 45799 states have call successors, (45799), 7749 states have call predecessors, (45799), 7709 states have return successors, (45823), 45172 states have call predecessors, (45823), 45796 states have call successors, (45823) [2022-12-14 10:14:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133580 states to 133580 states and 191599 transitions. [2022-12-14 10:14:50,116 INFO L78 Accepts]: Start accepts. Automaton has 133580 states and 191599 transitions. Word has length 470 [2022-12-14 10:14:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:14:50,117 INFO L495 AbstractCegarLoop]: Abstraction has 133580 states and 191599 transitions. [2022-12-14 10:14:50,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 10:14:50,117 INFO L276 IsEmpty]: Start isEmpty. Operand 133580 states and 191599 transitions. [2022-12-14 10:14:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-12-14 10:14:50,263 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:14:50,264 INFO L195 NwaCegarLoop]: trace histogram [31, 20, 19, 19, 19, 19, 19, 19, 18, 18, 18, 15, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:14:50,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:14:50,264 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 10:14:50,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:14:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1643459032, now seen corresponding path program 1 times [2022-12-14 10:14:50,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:14:50,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98107710] [2022-12-14 10:14:50,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:14:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:15:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat