./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-intel-ixgbevf-ixgbevf.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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/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-intel-ixgbevf-ixgbevf.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/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 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 14:40:30,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:40:30,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:40:30,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:40:30,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:40:30,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:40:30,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:40:30,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:40:30,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:40:30,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:40:30,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:40:30,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:40:30,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:40:30,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:40:30,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:40:30,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:40:30,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:40:30,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:40:30,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:40:30,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:40:30,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:40:30,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:40:30,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:40:30,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:40:30,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:40:30,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:40:30,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:40:30,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:40:30,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:40:30,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:40:30,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:40:30,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:40:30,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:40:30,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:40:30,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:40:30,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:40:30,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:40:30,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:40:30,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:40:30,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:40:30,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:40:30,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:40:30,841 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:40:30,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:40:30,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:40:30,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:40:30,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:40:30,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:40:30,842 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:40:30,842 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:40:30,842 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:40:30,843 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:40:30,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:40:30,844 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:40:30,844 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:40:30,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:40:30,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:40:30,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:40:30,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:40:30,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:40:30,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:40:30,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:40:30,846 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:40:30,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:40:30,847 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2022-12-14 14:40:31,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:40:31,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:40:31,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:40:31,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:40:31,025 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:40:31,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-12-14 14:40:33,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:40:34,048 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:40:34,048 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-12-14 14:40:34,081 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/data/aa67b13de/fa370880ea9f43b6a9902fb858ff6d4d/FLAG09001c3ca [2022-12-14 14:40:34,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/data/aa67b13de/fa370880ea9f43b6a9902fb858ff6d4d [2022-12-14 14:40:34,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:40:34,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:40:34,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:40:34,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:40:34,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:40:34,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:40:34" (1/1) ... [2022-12-14 14:40:34,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c4d2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:34, skipping insertion in model container [2022-12-14 14:40:34,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:40:34" (1/1) ... [2022-12-14 14:40:34,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:40:34,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:40:34,719 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:34,721 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:34,900 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 14:40:34,907 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 14:40:35,231 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:35,232 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:35,233 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:35,249 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:35,251 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 14:40:35,255 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:35,256 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 14:40:35,260 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:35,263 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:35,266 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:35,267 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:35,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:35,330 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 14:40:35,331 WARN L623 FunctionHandler]: Unknown extern function dev_open [2022-12-14 14:40:35,332 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:35,433 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:40:35,606 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 14:40:35,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:35,654 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 14:40:35,663 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 14:40:35,693 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:40:35,698 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:40:35,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:40:35,707 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:40:35,758 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:35,771 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:35,838 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:35,912 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:40:35,913 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:40:35,913 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:40:35,919 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:40:35,925 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:40:35,931 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:40:35,936 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:40:35,963 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 14:40:35,969 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:35,969 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 14:40:35,975 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:40:35,980 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:40:36,050 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 14:40:36,076 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:40:36,143 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:40:36,162 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:40:36,162 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:36,220 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:36,221 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:40:36,234 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:36,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,261 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:36,274 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:36,274 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:40:36,304 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 14:40:36,311 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 14:40:36,379 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:36,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:36,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:36,381 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:36,381 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:40:36,560 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 14:40:36,597 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:40:36,639 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:36,646 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:36,653 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:36,667 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:36,674 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:36,741 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 14:40:36,741 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 14:40:36,746 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 14:40:36,758 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:36,758 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:36,770 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:40:36,771 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:36,771 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:40:36,779 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 14:40:36,855 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 14:40:36,867 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:36,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,895 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:36,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,901 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:36,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,930 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:40:36,930 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:40:36,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,937 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:36,953 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:36,954 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:36,995 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:37,014 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:37,014 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:37,014 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:37,015 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:37,015 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:37,022 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 14:40:37,022 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,036 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,042 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-14 14:40:37,043 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-14 14:40:37,048 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:40:37,049 WARN L623 FunctionHandler]: Unknown extern function napi_hash_add [2022-12-14 14:40:37,049 WARN L623 FunctionHandler]: Unknown extern function napi_hash_del [2022-12-14 14:40:37,049 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:40:37,049 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,055 WARN L623 FunctionHandler]: Unknown extern function napi_hash_del [2022-12-14 14:40:37,055 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:40:37,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,060 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:40:37,061 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,071 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,072 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:37,078 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:37,078 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,079 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,080 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,080 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,101 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:37,102 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,102 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:37,102 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:37,103 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:37,103 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 14:40:37,103 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:37,109 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 14:40:37,110 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:37,116 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 14:40:37,116 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:37,117 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,123 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:37,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,148 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 14:40:37,149 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 14:40:37,156 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:40:37,156 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:40:37,157 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:40:37,157 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:40:37,176 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,193 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:37,194 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:37,212 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:40:37,212 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:40:37,212 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:40:37,212 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:37,224 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:37,229 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 14:40:37,230 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 14:40:37,230 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:37,230 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 14:40:37,230 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,231 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:37,231 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:40:37,231 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:40:37,231 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,232 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:40:37,255 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:40:37,256 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,256 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:40:37,256 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,256 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:37,257 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:37,258 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,259 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:40:37,260 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:37,260 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:37,260 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:37,261 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:37,261 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:37,262 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:37,262 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:40:37,262 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:37,268 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:40:37,268 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:40:37,268 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:37,268 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:40:37,269 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:37,274 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:40:37,275 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:37,280 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 14:40:37,280 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:37,281 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:37,286 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:40:37,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:37,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,618 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:40:37,622 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:37,622 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:37,623 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:37,624 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:37,632 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:40:37,633 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 14:40:37,641 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:37,642 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:37,643 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:37,644 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:37,644 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:37,645 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:37,645 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:37,645 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:40:37,646 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:40:37,646 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:37,646 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:40:37,647 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:40:37,647 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:37,647 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:40:37,648 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:40:37,648 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:40:37,648 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:37,648 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:40:37,649 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:40:37,756 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:40:37,757 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:40:37,798 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:40:37,890 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2022-12-14 14:40:37,893 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2022-12-14 14:40:37,894 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2022-12-14 14:40:37,894 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2022-12-14 14:40:37,895 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,896 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,897 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,914 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,918 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,918 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:37,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:40:37,954 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:40:38,048 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:38,053 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:38,110 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 14:40:38,114 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-12-14 14:40:38,138 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:38,138 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:38,138 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:40:38,140 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:38,140 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 14:40:38,142 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,142 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 14:40:38,144 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,145 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,147 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,148 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,162 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 14:40:38,163 WARN L623 FunctionHandler]: Unknown extern function dev_open [2022-12-14 14:40:38,163 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 14:40:38,166 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 14:40:38,168 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 14:40:38,169 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:38,169 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 14:40:38,170 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 14:40:38,170 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 14:40:38,170 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:40:38,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 14:40:38,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:40:38,171 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 14:40:38,172 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 14:40:38,173 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,176 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:40:38,176 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 14:40:38,177 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:40:38,177 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:40:38,178 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 14:40:38,179 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 14:40:38,179 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 14:40:38,181 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 14:40:38,181 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,181 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 14:40:38,182 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 14:40:38,182 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 14:40:38,185 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 14:40:38,186 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-12-14 14:40:38,187 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 14:40:38,187 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 14:40:38,188 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:38,189 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:38,189 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:40:38,189 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,191 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:38,191 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 14:40:38,191 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 14:40:38,192 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 14:40:38,192 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 14:40:38,193 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:38,193 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:38,193 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:38,193 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:40:38,193 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 14:40:38,196 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 14:40:38,198 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 14:40:38,198 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:38,199 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,200 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,201 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,202 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,213 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 14:40:38,213 WARN L623 FunctionHandler]: Unknown extern function netif_rx [2022-12-14 14:40:38,213 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 14:40:38,215 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:38,215 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,216 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 14:40:38,218 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:38,218 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 14:40:38,242 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 14:40:38,264 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-14 14:40:38,266 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:38,266 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,268 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:38,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,269 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:38,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,276 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 14:40:38,276 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 14:40:38,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 14:40:38,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,284 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:40:38,291 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:38,293 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:38,293 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:38,294 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:38,294 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:40:38,295 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 14:40:38,299 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 14:40:38,299 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,299 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,301 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,301 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,302 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_tx_queues [2022-12-14 14:40:38,303 WARN L623 FunctionHandler]: Unknown extern function netif_set_real_num_rx_queues [2022-12-14 14:40:38,305 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 14:40:38,305 WARN L623 FunctionHandler]: Unknown extern function napi_hash_add [2022-12-14 14:40:38,306 WARN L623 FunctionHandler]: Unknown extern function napi_hash_del [2022-12-14 14:40:38,306 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:40:38,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,306 WARN L623 FunctionHandler]: Unknown extern function napi_hash_del [2022-12-14 14:40:38,306 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 14:40:38,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,307 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 14:40:38,307 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,308 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,308 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:40:38,311 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:40:38,313 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,326 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,326 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,327 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,339 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:38,340 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,341 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 14:40:38,341 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 14:40:38,341 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:38,342 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-12-14 14:40:38,342 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,343 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 14:40:38,344 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,345 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-12-14 14:40:38,346 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,346 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,347 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 14:40:38,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,351 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 14:40:38,352 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 14:40:38,354 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:40:38,354 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:40:38,355 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-12-14 14:40:38,355 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 14:40:38,361 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,363 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:38,364 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 14:40:38,371 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:40:38,371 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:40:38,372 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:40:38,372 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:38,372 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:38,373 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 14:40:38,373 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 14:40:38,373 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:38,373 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 14:40:38,374 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,374 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:38,374 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 14:40:38,375 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 14:40:38,375 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,375 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:40:38,379 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 14:40:38,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,380 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 14:40:38,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,380 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:38,381 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 14:40:38,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,383 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 14:40:38,384 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:38,384 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:38,384 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:40:38,385 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:40:38,385 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 14:40:38,386 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:38,386 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:40:38,386 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:38,387 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:40:38,387 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 14:40:38,387 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 14:40:38,388 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 14:40:38,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:38,388 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 14:40:38,388 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 14:40:38,389 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 14:40:38,389 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:40:38,389 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 14:40:38,390 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 14:40:38,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:40:38,395 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,395 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,395 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,396 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,397 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,398 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,399 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,401 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 14:40:38,404 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:38,404 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:38,405 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:38,405 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:38,411 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:40:38,412 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 14:40:38,421 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:40:38,421 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:40:38,424 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:38,425 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:38,425 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:38,425 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 14:40:38,426 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:38,426 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:40:38,426 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:40:38,426 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 14:40:38,427 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 14:40:38,427 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 14:40:38,427 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:38,428 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 14:40:38,428 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-14 14:40:38,428 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 14:40:38,428 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 14:40:38,428 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 14:40:38,429 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 14:40:38,432 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:40:38,432 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:40:38,433 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:40:38,437 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2022-12-14 14:40:38,437 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2022-12-14 14:40:38,438 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2022-12-14 14:40:38,438 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_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2022-12-14 14:40:38,438 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,441 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,442 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,444 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,445 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 14:40:38,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:40:38,716 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:40:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38 WrapperNode [2022-12-14 14:40:38,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:40:38,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:40:38,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:40:38,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:40:38,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:38,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,007 INFO L138 Inliner]: procedures = 619, calls = 4114, calls flagged for inlining = 350, calls inlined = 330, statements flattened = 9877 [2022-12-14 14:40:39,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:40:39,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:40:39,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:40:39,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:40:39,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:40:39,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:40:39,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:40:39,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:40:39,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (1/1) ... [2022-12-14 14:40:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:40:39,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:40:39,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:40:39,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:40:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-12-14 14:40:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-12-14 14:40:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_irq [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_irq [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_rx_resources [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_rx_resources [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_ctxtdesc [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_ctxtdesc [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_pointer [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_pointer [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 14:40:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_eitr [2022-12-14 14:40:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_eitr [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_uc_addr_vf [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_uc_addr_vf [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_desc_unused [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_desc_unused [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_tx_resources [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_tx_resources [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_remove [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_remove [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 14:40:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 14:40:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_resume [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_resume [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_mbx_vf [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_mbx_vf [2022-12-14 14:40:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2022-12-14 14:40:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_mbx_vf [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_mbx_vf [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reinit_locked [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reinit_locked [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_irq [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_irq [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rar_vf [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rar_vf [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 14:40:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2022-12-14 14:40:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_vfta_vf [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_vfta_vf [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_down [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_down [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_txq [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_txq [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_rx_resources [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_rx_resources [2022-12-14 14:40:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 14:40:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_timeout [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_timeout [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_negotiate_api [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_negotiate_api [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_alloc_rx_buffers [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_alloc_rx_buffers [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_interrupt_scheme [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_interrupt_scheme [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-14 14:40:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-14 14:40:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_tx_resources [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_tx_resources [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_maybe_stop_tx [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_maybe_stop_tx [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_msg_vf [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_msg_vf [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_busy_poll_recv [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_busy_poll_recv [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2022-12-14 14:40:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_last_counter_stats [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_last_counter_stats [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_io_resume [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_io_resume [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up_complete [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up_complete [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_ivar [2022-12-14 14:40:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_ivar [2022-12-14 14:40:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_bit_vf [2022-12-14 14:40:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_bit_vf [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_shutdown [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_shutdown [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_interrupt_capability [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_interrupt_capability [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 14:40:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 14:40:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_nway_reset [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_nway_reset [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_obtain_mbx_lock_vf [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_obtain_mbx_lock_vf [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_tx_ring [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_tx_ring [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_rst_vf [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_rst_vf [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_v2p_mailbox [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_v2p_mailbox [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 14:40:39,474 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_ack_vf [2022-12-14 14:40:39,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_ack_vf [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_stats [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_stats [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_irq_enable [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_irq_enable [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 14:40:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 14:40:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_start_hw_vf [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_start_hw_vf [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure napi_hash_del [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_hash_del [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-12-14 14:40:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-12-14 14:40:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rx_mode [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rx_mode [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_suspend [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_suspend [2022-12-14 14:40:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 14:40:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_link_test [2022-12-14 14:40:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_link_test [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:40:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_vlan_rx_add_vid [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_vlan_rx_add_vid [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_rxq [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_rxq [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_mac_addr_vf [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_mac_addr_vf [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_configure [2022-12-14 14:40:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_configure [2022-12-14 14:40:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_tx_resources [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_tx_resources [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_queues [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_queues [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 14:40:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 14:40:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_open [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_open [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-12-14 14:40:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_mac_link_vf [2022-12-14 14:40:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_mac_link_vf [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clear_interrupt_scheme [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clear_interrupt_scheme [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_regs_len [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_regs_len [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2022-12-14 14:40:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2022-12-14 14:40:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_rx_resources [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_rx_resources [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_mbx_params_vf [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_mbx_params_vf [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_q_vectors [2022-12-14 14:40:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_q_vectors [2022-12-14 14:40:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_disable_rx_queue [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_disable_rx_queue [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_close [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_close [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-12-14 14:40:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 14:40:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 14:40:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 14:40:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_ring [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_ring [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_stop_hw_vf [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_stop_hw_vf [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-14 14:40:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 14:40:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 14:40:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_unmap_and_free_tx_resource [2022-12-14 14:40:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_unmap_and_free_tx_resource [2022-12-14 14:40:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:40:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-12-14 14:40:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-12-14 14:40:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 14:40:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 14:40:39,487 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-12-14 14:40:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-12-14 14:40:40,322 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:40:40,326 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:40:40,510 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:43:29,654 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 14:43:29,792 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:43:34,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:43:34,099 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 14:43:34,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:34 BoogieIcfgContainer [2022-12-14 14:43:34,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:43:34,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:43:34,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:43:34,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:43:34,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:40:34" (1/3) ... [2022-12-14 14:43:34,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6e95bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:34, skipping insertion in model container [2022-12-14 14:43:34,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:40:38" (2/3) ... [2022-12-14 14:43:34,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d6e95bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:43:34, skipping insertion in model container [2022-12-14 14:43:34,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:43:34" (3/3) ... [2022-12-14 14:43:34,111 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-12-14 14:43:34,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:43:34,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 14:43:34,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:43:34,229 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;@59210ec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:43:34,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 14:43:34,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 2724 states, 1641 states have (on average 1.299207800121877) internal successors, (2132), 1684 states have internal predecessors, (2132), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) [2022-12-14 14:43:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-12-14 14:43:34,260 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:34,261 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:34,261 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:43:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:34,265 INFO L85 PathProgramCache]: Analyzing trace with hash 885055918, now seen corresponding path program 1 times [2022-12-14 14:43:34,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:34,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795407939] [2022-12-14 14:43:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:34,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2022-12-14 14:43:35,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:35,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795407939] [2022-12-14 14:43:35,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795407939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:35,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:35,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:43:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533157660] [2022-12-14 14:43:35,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:35,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:35,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:35,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:35,849 INFO L87 Difference]: Start difference. First operand has 2724 states, 1641 states have (on average 1.299207800121877) internal successors, (2132), 1684 states have internal predecessors, (2132), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:43:37,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:43,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:45,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:49,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:43:49,382 INFO L93 Difference]: Finished difference Result 7977 states and 11393 transitions. [2022-12-14 14:43:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:43:49,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 310 [2022-12-14 14:43:49,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:43:49,425 INFO L225 Difference]: With dead ends: 7977 [2022-12-14 14:43:49,425 INFO L226 Difference]: Without dead ends: 5301 [2022-12-14 14:43:49,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:49,441 INFO L413 NwaCegarLoop]: 4142 mSDtfsCounter, 3712 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3712 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:43:49,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3712 Valid, 7423 Invalid, 1158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 14:43:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2022-12-14 14:43:49,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5299. [2022-12-14 14:43:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5299 states, 3207 states have (on average 1.2968506392266916) internal successors, (4159), 3290 states have internal predecessors, (4159), 1697 states have call successors, (1697), 394 states have call predecessors, (1697), 393 states have return successors, (1694), 1686 states have call predecessors, (1694), 1694 states have call successors, (1694) [2022-12-14 14:43:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 5299 states and 7550 transitions. [2022-12-14 14:43:49,687 INFO L78 Accepts]: Start accepts. Automaton has 5299 states and 7550 transitions. Word has length 310 [2022-12-14 14:43:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:43:49,688 INFO L495 AbstractCegarLoop]: Abstraction has 5299 states and 7550 transitions. [2022-12-14 14:43:49,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 14:43:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 5299 states and 7550 transitions. [2022-12-14 14:43:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-14 14:43:49,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:43:49,696 INFO L195 NwaCegarLoop]: trace histogram [30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:43:49,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:43:49,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:43:49,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:43:49,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1541285480, now seen corresponding path program 1 times [2022-12-14 14:43:49,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:43:49,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037882578] [2022-12-14 14:43:49,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:43:49,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:43:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:43:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2022-12-14 14:43:50,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:43:50,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037882578] [2022-12-14 14:43:50,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037882578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:43:50,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:43:50,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:43:50,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008561226] [2022-12-14 14:43:50,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:43:50,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:43:50,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:43:50,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:43:50,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:43:50,719 INFO L87 Difference]: Start difference. First operand 5299 states and 7550 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 14:43:52,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:43:58,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:00,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:05,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:05,631 INFO L93 Difference]: Finished difference Result 11813 states and 16831 transitions. [2022-12-14 14:44:05,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:05,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 324 [2022-12-14 14:44:05,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:05,668 INFO L225 Difference]: With dead ends: 11813 [2022-12-14 14:44:05,668 INFO L226 Difference]: Without dead ends: 6573 [2022-12-14 14:44:05,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:05,688 INFO L413 NwaCegarLoop]: 4224 mSDtfsCounter, 2746 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 19 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 7473 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:05,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 7473 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1260 Invalid, 3 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 14:44:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6573 states. [2022-12-14 14:44:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6573 to 6566. [2022-12-14 14:44:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6566 states, 4008 states have (on average 1.2954091816367266) internal successors, (5192), 4108 states have internal predecessors, (5192), 2071 states have call successors, (2071), 487 states have call predecessors, (2071), 485 states have return successors, (2068), 2055 states have call predecessors, (2068), 2068 states have call successors, (2068) [2022-12-14 14:44:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6566 states to 6566 states and 9331 transitions. [2022-12-14 14:44:05,958 INFO L78 Accepts]: Start accepts. Automaton has 6566 states and 9331 transitions. Word has length 324 [2022-12-14 14:44:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:05,959 INFO L495 AbstractCegarLoop]: Abstraction has 6566 states and 9331 transitions. [2022-12-14 14:44:05,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-12-14 14:44:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6566 states and 9331 transitions. [2022-12-14 14:44:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2022-12-14 14:44:05,970 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:05,970 INFO L195 NwaCegarLoop]: trace histogram [33, 29, 29, 29, 29, 29, 29, 4, 4, 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] [2022-12-14 14:44:05,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:44:05,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:44:05,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash 226179348, now seen corresponding path program 1 times [2022-12-14 14:44:05,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:05,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649010934] [2022-12-14 14:44:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:05,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2022-12-14 14:44:07,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:07,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649010934] [2022-12-14 14:44:07,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649010934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:07,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:07,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:44:07,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405052324] [2022-12-14 14:44:07,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:07,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:44:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:44:07,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:44:07,391 INFO L87 Difference]: Start difference. First operand 6566 states and 9331 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 14:44:09,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:15,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:17,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:24,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:24,714 INFO L93 Difference]: Finished difference Result 11156 states and 15852 transitions. [2022-12-14 14:44:24,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:44:24,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 352 [2022-12-14 14:44:24,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:24,763 INFO L225 Difference]: With dead ends: 11156 [2022-12-14 14:44:24,763 INFO L226 Difference]: Without dead ends: 11133 [2022-12-14 14:44:24,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:44:24,772 INFO L413 NwaCegarLoop]: 4190 mSDtfsCounter, 3750 mSDsluCounter, 7397 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 11587 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 11587 Invalid, 1709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1706 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2022-12-14 14:44:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11133 states. [2022-12-14 14:44:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11133 to 11131. [2022-12-14 14:44:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11131 states, 6796 states have (on average 1.2959093584461447) internal successors, (8807), 6962 states have internal predecessors, (8807), 3504 states have call successors, (3504), 831 states have call predecessors, (3504), 829 states have return successors, (3501), 3481 states have call predecessors, (3501), 3501 states have call successors, (3501) [2022-12-14 14:44:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11131 states to 11131 states and 15812 transitions. [2022-12-14 14:44:25,148 INFO L78 Accepts]: Start accepts. Automaton has 11131 states and 15812 transitions. Word has length 352 [2022-12-14 14:44:25,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:25,149 INFO L495 AbstractCegarLoop]: Abstraction has 11131 states and 15812 transitions. [2022-12-14 14:44:25,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 14:44:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 11131 states and 15812 transitions. [2022-12-14 14:44:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-12-14 14:44:25,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:25,160 INFO L195 NwaCegarLoop]: trace histogram [33, 29, 29, 29, 29, 29, 29, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:44:25,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:44:25,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:44:25,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:25,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2101170705, now seen corresponding path program 1 times [2022-12-14 14:44:25,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:25,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233181275] [2022-12-14 14:44:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3525 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3522 trivial. 0 not checked. [2022-12-14 14:44:26,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:26,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233181275] [2022-12-14 14:44:26,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233181275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:26,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:26,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:44:26,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926277084] [2022-12-14 14:44:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:26,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:44:26,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:26,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:44:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:26,086 INFO L87 Difference]: Start difference. First operand 11131 states and 15812 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 14:44:28,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:35,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:37,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:43,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:44:43,162 INFO L93 Difference]: Finished difference Result 24191 states and 34381 transitions. [2022-12-14 14:44:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:44:43,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 371 [2022-12-14 14:44:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:44:43,225 INFO L225 Difference]: With dead ends: 24191 [2022-12-14 14:44:43,225 INFO L226 Difference]: Without dead ends: 15022 [2022-12-14 14:44:43,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:44:43,258 INFO L413 NwaCegarLoop]: 5589 mSDtfsCounter, 2740 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 8836 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:44:43,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 8836 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1625 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 14:44:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15022 states. [2022-12-14 14:44:43,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15022 to 15014. [2022-12-14 14:44:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15014 states, 9183 states have (on average 1.295981705325057) internal successors, (11901), 9406 states have internal predecessors, (11901), 4710 states have call successors, (4710), 1122 states have call predecessors, (4710), 1119 states have return successors, (4707), 4677 states have call predecessors, (4707), 4707 states have call successors, (4707) [2022-12-14 14:44:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15014 states to 15014 states and 21318 transitions. [2022-12-14 14:44:43,810 INFO L78 Accepts]: Start accepts. Automaton has 15014 states and 21318 transitions. Word has length 371 [2022-12-14 14:44:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:44:43,810 INFO L495 AbstractCegarLoop]: Abstraction has 15014 states and 21318 transitions. [2022-12-14 14:44:43,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-12-14 14:44:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 15014 states and 21318 transitions. [2022-12-14 14:44:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-12-14 14:44:43,830 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:44:43,830 INFO L195 NwaCegarLoop]: trace histogram [35, 29, 29, 29, 29, 29, 29, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:44:43,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:44:43,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:44:43,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:44:43,832 INFO L85 PathProgramCache]: Analyzing trace with hash 115244620, now seen corresponding path program 1 times [2022-12-14 14:44:43,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:44:43,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995973209] [2022-12-14 14:44:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:44:43,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:44:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:44:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3770 trivial. 0 not checked. [2022-12-14 14:44:45,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:44:45,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995973209] [2022-12-14 14:44:45,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995973209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:44:45,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:44:45,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:44:45,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880625214] [2022-12-14 14:44:45,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:44:45,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:44:45,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:44:45,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:44:45,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:44:45,116 INFO L87 Difference]: Start difference. First operand 15014 states and 21318 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 14:44:47,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:52,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:44:54,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:09,208 INFO L93 Difference]: Finished difference Result 19996 states and 29231 transitions. [2022-12-14 14:45:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:45:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 434 [2022-12-14 14:45:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:09,273 INFO L225 Difference]: With dead ends: 19996 [2022-12-14 14:45:09,273 INFO L226 Difference]: Without dead ends: 19994 [2022-12-14 14:45:09,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:45:09,282 INFO L413 NwaCegarLoop]: 7031 mSDtfsCounter, 4936 mSDsluCounter, 10030 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 364 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5304 SdHoareTripleChecker+Valid, 17061 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:09,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5304 Valid, 17061 Invalid, 3280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [364 Valid, 2913 Invalid, 3 Unknown, 0 Unchecked, 23.4s Time] [2022-12-14 14:45:09,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19994 states. [2022-12-14 14:45:09,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19994 to 15014. [2022-12-14 14:45:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15014 states, 9183 states have (on average 1.2958728084503974) internal successors, (11900), 9406 states have internal predecessors, (11900), 4710 states have call successors, (4710), 1122 states have call predecessors, (4710), 1119 states have return successors, (4707), 4677 states have call predecessors, (4707), 4707 states have call successors, (4707) [2022-12-14 14:45:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15014 states to 15014 states and 21317 transitions. [2022-12-14 14:45:09,853 INFO L78 Accepts]: Start accepts. Automaton has 15014 states and 21317 transitions. Word has length 434 [2022-12-14 14:45:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:09,854 INFO L495 AbstractCegarLoop]: Abstraction has 15014 states and 21317 transitions. [2022-12-14 14:45:09,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 14:45:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 15014 states and 21317 transitions. [2022-12-14 14:45:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 14:45:09,877 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:09,877 INFO L195 NwaCegarLoop]: trace histogram [33, 31, 31, 31, 31, 31, 31, 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] [2022-12-14 14:45:09,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:45:09,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:45:09,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash 250636686, now seen corresponding path program 1 times [2022-12-14 14:45:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:09,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126688137] [2022-12-14 14:45:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:09,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3854 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3851 trivial. 0 not checked. [2022-12-14 14:45:10,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:10,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126688137] [2022-12-14 14:45:10,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126688137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:10,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:10,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:45:10,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077817355] [2022-12-14 14:45:10,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:10,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:10,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:10,642 INFO L87 Difference]: Start difference. First operand 15014 states and 21317 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 14:45:12,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:21,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:23,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:25,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:25,630 INFO L93 Difference]: Finished difference Result 34871 states and 49323 transitions. [2022-12-14 14:45:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:25,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 431 [2022-12-14 14:45:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:25,705 INFO L225 Difference]: With dead ends: 34871 [2022-12-14 14:45:25,705 INFO L226 Difference]: Without dead ends: 19916 [2022-12-14 14:45:25,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:25,749 INFO L413 NwaCegarLoop]: 3934 mSDtfsCounter, 2724 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 7183 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:25,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 7183 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1180 Invalid, 3 Unknown, 0 Unchecked, 14.2s Time] [2022-12-14 14:45:25,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19916 states. [2022-12-14 14:45:26,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19916 to 19903. [2022-12-14 14:45:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19903 states, 12196 states have (on average 1.294276812069531) internal successors, (15785), 12482 states have internal predecessors, (15785), 6132 states have call successors, (6132), 1578 states have call predecessors, (6132), 1573 states have return successors, (6131), 6074 states have call predecessors, (6131), 6129 states have call successors, (6131) [2022-12-14 14:45:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19903 states to 19903 states and 28048 transitions. [2022-12-14 14:45:26,377 INFO L78 Accepts]: Start accepts. Automaton has 19903 states and 28048 transitions. Word has length 431 [2022-12-14 14:45:26,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:26,377 INFO L495 AbstractCegarLoop]: Abstraction has 19903 states and 28048 transitions. [2022-12-14 14:45:26,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 14:45:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19903 states and 28048 transitions. [2022-12-14 14:45:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2022-12-14 14:45:26,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:26,408 INFO L195 NwaCegarLoop]: trace histogram [45, 33, 33, 33, 33, 33, 33, 18, 18, 10, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:45:26,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:45:26,408 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:45:26,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:26,409 INFO L85 PathProgramCache]: Analyzing trace with hash 263899414, now seen corresponding path program 1 times [2022-12-14 14:45:26,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:26,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300672490] [2022-12-14 14:45:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:26,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:26,781 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:26,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748975173] [2022-12-14 14:45:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:26,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:26,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:26,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:26,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:45:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:29,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 10458 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:45:29,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5847 backedges. 1009 proven. 0 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2022-12-14 14:45:30,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:30,455 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:30,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300672490] [2022-12-14 14:45:30,455 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:30,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748975173] [2022-12-14 14:45:30,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748975173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:30,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:30,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:45:30,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33853833] [2022-12-14 14:45:30,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:30,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:30,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:30,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:30,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:30,457 INFO L87 Difference]: Start difference. First operand 19903 states and 28048 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 3 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-12-14 14:45:32,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:43,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:45,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:45:47,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:45:47,765 INFO L93 Difference]: Finished difference Result 45624 states and 64280 transitions. [2022-12-14 14:45:47,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:45:47,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 3 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 875 [2022-12-14 14:45:47,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:45:47,853 INFO L225 Difference]: With dead ends: 45624 [2022-12-14 14:45:47,853 INFO L226 Difference]: Without dead ends: 26323 [2022-12-14 14:45:47,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:47,894 INFO L413 NwaCegarLoop]: 5595 mSDtfsCounter, 2742 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 55 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 8808 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:45:47,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 8808 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1534 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2022-12-14 14:45:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26323 states. [2022-12-14 14:45:48,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26323 to 26310. [2022-12-14 14:45:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26310 states, 16184 states have (on average 1.291831438457736) internal successors, (20907), 16557 states have internal predecessors, (20907), 7998 states have call successors, (7998), 2133 states have call predecessors, (7998), 2126 states have return successors, (7999), 7913 states have call predecessors, (7999), 7995 states have call successors, (7999) [2022-12-14 14:45:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26310 states to 26310 states and 36904 transitions. [2022-12-14 14:45:48,657 INFO L78 Accepts]: Start accepts. Automaton has 26310 states and 36904 transitions. Word has length 875 [2022-12-14 14:45:48,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:45:48,657 INFO L495 AbstractCegarLoop]: Abstraction has 26310 states and 36904 transitions. [2022-12-14 14:45:48,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 3 states have call successors, (117), 3 states have call predecessors, (117), 3 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-12-14 14:45:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 26310 states and 36904 transitions. [2022-12-14 14:45:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2022-12-14 14:45:48,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:45:48,693 INFO L195 NwaCegarLoop]: trace histogram [47, 33, 33, 33, 33, 33, 33, 18, 18, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:45:48,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:45:48,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 14:45:48,894 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:45:48,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:45:48,894 INFO L85 PathProgramCache]: Analyzing trace with hash 137282180, now seen corresponding path program 1 times [2022-12-14 14:45:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:45:48,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723550854] [2022-12-14 14:45:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:45:49,299 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:45:49,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530321340] [2022-12-14 14:45:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:45:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:45:49,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:45:49,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:45:49,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:45:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:45:52,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 10520 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:45:52,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:45:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 1200 proven. 0 refuted. 0 times theorem prover too weak. 4856 trivial. 0 not checked. [2022-12-14 14:45:52,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:45:52,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:45:52,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723550854] [2022-12-14 14:45:52,676 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:45:52,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530321340] [2022-12-14 14:45:52,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530321340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:45:52,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:45:52,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:45:52,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126180088] [2022-12-14 14:45:52,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:45:52,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:45:52,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:45:52,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:45:52,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:45:52,680 INFO L87 Difference]: Start difference. First operand 26310 states and 36904 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (118), 3 states have call predecessors, (118), 3 states have call successors, (118) [2022-12-14 14:45:54,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:03,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:05,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:07,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:09,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:09,532 INFO L93 Difference]: Finished difference Result 61916 states and 86470 transitions. [2022-12-14 14:46:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:46:09,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (118), 3 states have call predecessors, (118), 3 states have call successors, (118) Word has length 896 [2022-12-14 14:46:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:09,654 INFO L225 Difference]: With dead ends: 61916 [2022-12-14 14:46:09,654 INFO L226 Difference]: Without dead ends: 36208 [2022-12-14 14:46:09,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 895 GetRequests, 894 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:46:09,721 INFO L413 NwaCegarLoop]: 3924 mSDtfsCounter, 3634 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 30 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 6464 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:09,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 6464 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1077 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-12-14 14:46:09,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36208 states. [2022-12-14 14:46:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36208 to 36193. [2022-12-14 14:46:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36193 states, 22304 states have (on average 1.2893203012912482) internal successors, (28757), 22813 states have internal predecessors, (28757), 10807 states have call successors, (10807), 3089 states have call predecessors, (10807), 3080 states have return successors, (10810), 10690 states have call predecessors, (10810), 10804 states have call successors, (10810) [2022-12-14 14:46:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36193 states to 36193 states and 50374 transitions. [2022-12-14 14:46:10,809 INFO L78 Accepts]: Start accepts. Automaton has 36193 states and 50374 transitions. Word has length 896 [2022-12-14 14:46:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:10,810 INFO L495 AbstractCegarLoop]: Abstraction has 36193 states and 50374 transitions. [2022-12-14 14:46:10,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 3 states have call successors, (119), 3 states have call predecessors, (119), 3 states have return successors, (118), 3 states have call predecessors, (118), 3 states have call successors, (118) [2022-12-14 14:46:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36193 states and 50374 transitions. [2022-12-14 14:46:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2022-12-14 14:46:10,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:10,858 INFO L195 NwaCegarLoop]: trace histogram [47, 33, 33, 33, 33, 33, 33, 18, 18, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:46:10,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:46:11,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:11,058 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:46:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1882656413, now seen corresponding path program 1 times [2022-12-14 14:46:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:11,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91092747] [2022-12-14 14:46:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:11,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:11,518 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:46:11,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081180469] [2022-12-14 14:46:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:11,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:46:11,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:46:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:46:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:14,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 10522 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:46:14,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:46:14,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6058 backedges. 1383 proven. 0 refuted. 0 times theorem prover too weak. 4675 trivial. 0 not checked. [2022-12-14 14:46:14,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:46:14,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:14,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91092747] [2022-12-14 14:46:14,365 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:46:14,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081180469] [2022-12-14 14:46:14,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081180469] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:14,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:14,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 14:46:14,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880487838] [2022-12-14 14:46:14,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:14,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 14:46:14,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:14,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 14:46:14,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:46:14,367 INFO L87 Difference]: Start difference. First operand 36193 states and 50374 transitions. Second operand has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (117), 3 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:46:16,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:41,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:43,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:46:49,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:46:49,491 INFO L93 Difference]: Finished difference Result 81763 states and 115579 transitions. [2022-12-14 14:46:49,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 14:46:49,492 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (117), 3 states have call predecessors, (117), 2 states have call successors, (117) Word has length 898 [2022-12-14 14:46:49,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:46:49,640 INFO L225 Difference]: With dead ends: 81763 [2022-12-14 14:46:49,641 INFO L226 Difference]: Without dead ends: 46172 [2022-12-14 14:46:49,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 899 GetRequests, 892 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 14:46:49,723 INFO L413 NwaCegarLoop]: 4500 mSDtfsCounter, 761 mSDsluCounter, 21591 mSDsCounter, 0 mSdLazyCounter, 4419 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 26091 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4419 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:46:49,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 26091 Invalid, 4424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 4419 Invalid, 3 Unknown, 0 Unchecked, 33.1s Time] [2022-12-14 14:46:49,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46172 states. [2022-12-14 14:46:51,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46172 to 36249. [2022-12-14 14:46:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36249 states, 22352 states have (on average 1.2886989978525412) internal successors, (28805), 22861 states have internal predecessors, (28805), 10807 states have call successors, (10807), 3089 states have call predecessors, (10807), 3088 states have return successors, (10826), 10698 states have call predecessors, (10826), 10804 states have call successors, (10826) [2022-12-14 14:46:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36249 states to 36249 states and 50438 transitions. [2022-12-14 14:46:51,185 INFO L78 Accepts]: Start accepts. Automaton has 36249 states and 50438 transitions. Word has length 898 [2022-12-14 14:46:51,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:46:51,186 INFO L495 AbstractCegarLoop]: Abstraction has 36249 states and 50438 transitions. [2022-12-14 14:46:51,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.714285714285715) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (117), 3 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:46:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 36249 states and 50438 transitions. [2022-12-14 14:46:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2022-12-14 14:46:51,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:46:51,232 INFO L195 NwaCegarLoop]: trace histogram [47, 33, 33, 33, 33, 33, 33, 18, 18, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:46:51,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 14:46:51,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:51,433 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:46:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:46:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2119610222, now seen corresponding path program 1 times [2022-12-14 14:46:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:46:51,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739762273] [2022-12-14 14:46:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:51,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:46:51,787 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:46:51,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1295968911] [2022-12-14 14:46:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:46:51,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:46:51,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:46:51,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:46:51,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 14:46:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:46:54,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 10559 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 14:46:54,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:46:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6058 backedges. 1383 proven. 0 refuted. 0 times theorem prover too weak. 4675 trivial. 0 not checked. [2022-12-14 14:46:54,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:46:54,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:46:54,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739762273] [2022-12-14 14:46:54,584 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:46:54,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295968911] [2022-12-14 14:46:54,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295968911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:46:54,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:46:54,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:46:54,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951496170] [2022-12-14 14:46:54,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:46:54,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:46:54,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:46:54,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:46:54,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:46:54,586 INFO L87 Difference]: Start difference. First operand 36249 states and 50438 transitions. Second operand has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:46:56,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:09,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:11,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:13,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:13,313 INFO L93 Difference]: Finished difference Result 72240 states and 100621 transitions. [2022-12-14 14:47:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:47:13,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) Word has length 903 [2022-12-14 14:47:13,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:13,426 INFO L225 Difference]: With dead ends: 72240 [2022-12-14 14:47:13,427 INFO L226 Difference]: Without dead ends: 36593 [2022-12-14 14:47:13,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:47:13,504 INFO L413 NwaCegarLoop]: 3354 mSDtfsCounter, 83 mSDsluCounter, 6609 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 24 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 9963 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:13,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 9963 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1707 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2022-12-14 14:47:13,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36593 states. [2022-12-14 14:47:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36593 to 36265. [2022-12-14 14:47:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36265 states, 22368 states have (on average 1.2884924892703862) internal successors, (28821), 22877 states have internal predecessors, (28821), 10807 states have call successors, (10807), 3089 states have call predecessors, (10807), 3088 states have return successors, (10826), 10698 states have call predecessors, (10826), 10804 states have call successors, (10826) [2022-12-14 14:47:14,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36265 states to 36265 states and 50454 transitions. [2022-12-14 14:47:14,744 INFO L78 Accepts]: Start accepts. Automaton has 36265 states and 50454 transitions. Word has length 903 [2022-12-14 14:47:14,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:14,745 INFO L495 AbstractCegarLoop]: Abstraction has 36265 states and 50454 transitions. [2022-12-14 14:47:14,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.0) internal successors, (304), 4 states have internal predecessors, (304), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:47:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 36265 states and 50454 transitions. [2022-12-14 14:47:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 907 [2022-12-14 14:47:14,822 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:14,823 INFO L195 NwaCegarLoop]: trace histogram [47, 33, 33, 33, 33, 33, 33, 18, 18, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:47:14,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 14:47:15,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 14:47:15,025 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:47:15,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:15,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1929692702, now seen corresponding path program 1 times [2022-12-14 14:47:15,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:15,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574903069] [2022-12-14 14:47:15,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:15,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:15,453 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:47:15,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1115689790] [2022-12-14 14:47:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:15,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:47:15,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:47:15,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:47:15,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 14:47:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:18,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 10588 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 14:47:18,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:47:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6058 backedges. 1383 proven. 0 refuted. 0 times theorem prover too weak. 4675 trivial. 0 not checked. [2022-12-14 14:47:18,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:47:18,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:18,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574903069] [2022-12-14 14:47:18,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:47:18,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115689790] [2022-12-14 14:47:18,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115689790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:47:18,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:47:18,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:47:18,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969038358] [2022-12-14 14:47:18,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:47:18,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:47:18,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:47:18,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:47:18,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:47:18,364 INFO L87 Difference]: Start difference. First operand 36265 states and 50454 transitions. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:47:20,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:33,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:35,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:47:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:47:37,228 INFO L93 Difference]: Finished difference Result 72288 states and 100677 transitions. [2022-12-14 14:47:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 14:47:37,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) Word has length 906 [2022-12-14 14:47:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:47:37,347 INFO L225 Difference]: With dead ends: 72288 [2022-12-14 14:47:37,347 INFO L226 Difference]: Without dead ends: 36625 [2022-12-14 14:47:37,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 906 GetRequests, 903 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:47:37,418 INFO L413 NwaCegarLoop]: 3353 mSDtfsCounter, 87 mSDsluCounter, 6612 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 24 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 9965 SdHoareTripleChecker+Invalid, 1732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:47:37,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 9965 Invalid, 1732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1705 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2022-12-14 14:47:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36625 states. [2022-12-14 14:47:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36625 to 36281. [2022-12-14 14:47:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36281 states, 22384 states have (on average 1.2886436740528948) internal successors, (28845), 22893 states have internal predecessors, (28845), 10807 states have call successors, (10807), 3089 states have call predecessors, (10807), 3088 states have return successors, (10826), 10698 states have call predecessors, (10826), 10804 states have call successors, (10826) [2022-12-14 14:47:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36281 states to 36281 states and 50478 transitions. [2022-12-14 14:47:38,852 INFO L78 Accepts]: Start accepts. Automaton has 36281 states and 50478 transitions. Word has length 906 [2022-12-14 14:47:38,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:47:38,853 INFO L495 AbstractCegarLoop]: Abstraction has 36281 states and 50478 transitions. [2022-12-14 14:47:38,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 2 states have call successors, (118), 2 states have call predecessors, (118), 2 states have return successors, (117), 2 states have call predecessors, (117), 2 states have call successors, (117) [2022-12-14 14:47:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36281 states and 50478 transitions. [2022-12-14 14:47:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 906 [2022-12-14 14:47:38,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:47:38,898 INFO L195 NwaCegarLoop]: trace histogram [47, 33, 33, 33, 33, 33, 33, 18, 18, 10, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2022-12-14 14:47:38,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 14:47:39,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:47:39,100 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:47:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:47:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash 220698714, now seen corresponding path program 1 times [2022-12-14 14:47:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:47:39,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748223279] [2022-12-14 14:47:39,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:47:39,491 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:47:39,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590916063] [2022-12-14 14:47:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:47:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:47:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:47:39,492 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:47:39,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abf847bc-aa73-4eeb-bcf0-77d3eb5ff484/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 14:47:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:47:42,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 10599 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:47:42,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:47:42,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6059 backedges. 1383 proven. 1 refuted. 0 times theorem prover too weak. 4675 trivial. 0 not checked. [2022-12-14 14:47:42,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 14:47:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6059 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 6012 trivial. 0 not checked. [2022-12-14 14:47:43,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:47:43,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748223279] [2022-12-14 14:47:43,128 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:47:43,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590916063] [2022-12-14 14:47:43,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590916063] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 14:47:43,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [779959363] [2022-12-14 14:47:43,153 INFO L159 IcfgInterpreter]: Started Sifa with 434 locations of interest [2022-12-14 14:47:43,153 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 14:47:43,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 14:47:43,160 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 14:47:43,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs