./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- 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 [2022-12-13 15:08:45,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:08:45,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:08:45,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:08:45,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:08:45,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:08:45,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:08:45,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:08:45,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:08:45,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:08:45,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:08:45,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:08:45,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:08:45,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:08:45,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:08:45,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:08:45,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:08:45,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:08:45,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:08:45,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:08:45,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:08:45,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:08:45,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:08:45,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:08:45,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:08:45,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:08:45,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:08:45,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:08:45,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:08:45,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:08:45,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:08:45,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:08:45,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:08:45,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:08:45,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:08:45,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:08:45,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:08:45,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:08:45,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:08:45,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:08:45,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:08:45,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 15:08:45,099 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:08:45,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:08:45,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:08:45,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:08:45,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:08:45,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:08:45,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:08:45,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:08:45,102 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:08:45,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:08:45,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:08:45,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:08:45,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:08:45,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:08:45,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:08:45,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:08:45,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:08:45,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:08:45,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:08:45,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:08:45,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:08:45,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:08:45,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:08:45,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:08:45,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:08:45,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:08:45,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:08:45,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:08:45,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:08:45,106 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:08:45,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:08:45,106 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:08:45,106 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-12-13 15:08:45,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:08:45,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:08:45,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:08:45,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:08:45,309 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:08:45,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-13 15:08:47,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:08:48,418 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:08:48,419 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-13 15:08:48,454 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/data/e5b809502/2e7f1b4705fe4171a186fe83b6019c4f/FLAG45ccdabfa [2022-12-13 15:08:48,467 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/data/e5b809502/2e7f1b4705fe4171a186fe83b6019c4f [2022-12-13 15:08:48,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:08:48,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:08:48,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:08:48,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:08:48,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:08:48,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:08:48" (1/1) ... [2022-12-13 15:08:48,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360c8fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:48, skipping insertion in model container [2022-12-13 15:08:48,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:08:48" (1/1) ... [2022-12-13 15:08:48,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:08:48,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:08:49,230 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 15:08:49,383 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:49,387 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:49,387 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:08:49,394 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:08:49,401 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:08:49,408 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:08:49,413 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 15:08:49,444 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 15:08:49,450 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:49,452 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 15:08:49,458 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 15:08:49,463 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 15:08:49,628 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:08:49,629 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:49,698 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 15:08:49,699 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:08:49,710 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:49,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:49,747 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 15:08:49,752 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 15:08:49,925 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 15:08:50,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:50,251 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:50,258 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:08:50,266 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-13 15:08:50,267 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:08:50,267 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,270 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:08:50,270 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:50,271 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,284 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:08:50,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:50,285 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 15:08:50,285 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:50,286 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-13 15:08:50,288 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:08:50,289 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 15:08:50,290 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,291 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,291 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 15:08:50,292 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 15:08:50,292 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 15:08:50,293 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:50,293 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:50,294 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:08:50,294 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:08:50,294 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:50,295 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:08:50,295 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:08:50,295 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:08:50,296 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:50,297 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,298 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:50,300 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:50,303 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:50,307 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:50,325 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:50,327 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:50,332 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:50,333 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:50,335 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:50,335 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:50,336 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:50,345 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:50,353 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:50,362 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:50,366 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:08:50,386 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:50,387 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:50,388 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:50,390 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,410 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:08:50,411 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 15:08:50,416 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,432 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:08:50,433 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:08:50,433 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 15:08:50,435 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 15:08:50,440 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 15:08:50,440 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-13 15:08:50,441 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:50,441 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:50,442 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 15:08:50,442 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:50,443 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:08:50,443 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,444 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:50,444 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:50,444 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:50,446 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:50,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:50,447 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 15:08:50,786 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:50,788 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:08:50,789 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:08:50,790 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:08:50,799 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:08:50,801 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 15:08:50,803 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:08:50,803 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:08:50,804 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:08:50,805 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 15:08:50,806 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 15:08:50,807 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:50,807 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:50,807 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:08:50,807 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-13 15:08:50,808 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:08:50,808 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-13 15:08:50,808 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 15:08:50,809 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:08:50,809 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:50,809 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:08:50,809 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:50,810 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:50,810 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:50,811 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:50,811 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:50,812 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:50,812 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:50,908 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:50,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,913 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:50,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,927 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,935 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,936 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:50,937 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,962 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:50,963 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:50,970 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:50,970 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:50,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,973 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,974 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,976 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,977 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,996 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,996 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:50,998 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,000 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:51,000 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:51,047 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,052 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,053 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,060 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,061 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,061 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,061 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,068 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:51,070 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:51,109 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:51,169 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:51,177 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:51,182 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:51,183 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:51,183 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:51,219 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:08:51,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:51,293 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:08:51,303 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,373 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,378 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,383 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,389 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,409 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,414 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,425 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,430 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,449 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,454 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,459 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,464 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,469 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,504 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,509 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,528 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,533 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,538 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,543 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,548 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,570 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,576 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,581 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,588 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,594 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,614 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,619 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,624 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,630 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,635 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,655 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,661 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,666 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,671 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,676 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,696 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,702 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,707 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,712 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,745 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,750 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,755 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,760 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,779 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,784 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,789 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,794 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,799 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,818 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,823 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,828 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,833 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,838 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,856 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,861 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,866 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,871 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,876 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,895 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,900 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,905 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,910 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,915 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,934 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,940 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,945 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,950 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,955 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,974 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,975 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:51,976 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,002 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_fd06a65e-1857-420b-a782-ee06472c5332/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-12-13 15:08:52,004 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_fd06a65e-1857-420b-a782-ee06472c5332/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-12-13 15:08:52,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:08:52,088 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:08:52,152 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 15:08:52,156 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:52,156 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 15:08:52,156 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:08:52,157 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:08:52,158 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 15:08:52,159 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 15:08:52,159 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 15:08:52,161 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-13 15:08:52,162 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:52,162 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-13 15:08:52,162 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-13 15:08:52,163 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-13 15:08:52,166 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:08:52,167 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,168 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-13 15:08:52,168 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-13 15:08:52,169 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:52,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,170 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-13 15:08:52,170 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-13 15:08:52,172 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 15:08:52,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,188 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-12-13 15:08:52,189 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-13 15:08:52,190 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:08:52,190 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,192 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 15:08:52,192 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:52,193 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,195 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:08:52,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,196 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-13 15:08:52,197 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:52,199 WARN L623 FunctionHandler]: Unknown extern function pci_ioremap_bar [2022-12-13 15:08:52,200 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-13 15:08:52,201 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-13 15:08:52,201 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,202 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,202 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-13 15:08:52,203 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 15:08:52,203 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 15:08:52,204 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:52,204 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:52,204 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:08:52,204 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:08:52,204 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:52,205 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 15:08:52,205 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-13 15:08:52,206 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-13 15:08:52,206 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:52,207 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,207 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:52,209 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:52,211 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:52,213 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:52,216 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 15:08:52,217 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:52,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:52,221 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:52,222 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:52,222 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-13 15:08:52,223 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:52,226 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:52,227 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:52,230 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 15:08:52,233 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:08:52,237 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:52,237 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:52,238 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-13 15:08:52,240 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,254 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-13 15:08:52,255 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-13 15:08:52,258 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,262 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,263 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-13 15:08:52,263 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-13 15:08:52,264 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-13 15:08:52,265 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-13 15:08:52,270 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-13 15:08:52,270 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-13 15:08:52,271 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-13 15:08:52,271 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-13 15:08:52,272 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-13 15:08:52,272 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-13 15:08:52,272 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-13 15:08:52,273 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,273 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:52,273 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-13 15:08:52,274 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,275 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-13 15:08:52,275 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 15:08:52,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,276 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-13 15:08:52,280 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-13 15:08:52,281 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 15:08:52,282 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:08:52,283 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:08:52,291 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:08:52,294 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-13 15:08:52,299 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-13 15:08:52,299 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-13 15:08:52,303 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:08:52,304 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 15:08:52,305 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 15:08:52,305 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:52,306 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:52,306 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 15:08:52,306 WARN L623 FunctionHandler]: Unknown extern function ldv_free_irq [2022-12-13 15:08:52,306 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-13 15:08:52,307 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer_sync [2022-12-13 15:08:52,307 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-13 15:08:52,307 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-13 15:08:52,308 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:52,308 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-13 15:08:52,308 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-13 15:08:52,309 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:52,309 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:52,309 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:52,309 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:52,310 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-13 15:08:52,310 WARN L623 FunctionHandler]: Unknown extern function ldv_mod_timer [2022-12-13 15:08:52,311 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,315 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,328 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,368 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,369 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,371 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,372 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,375 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,394 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,396 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,397 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-13 15:08:52,397 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,398 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,399 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,401 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,402 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,402 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,403 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,403 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,404 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,404 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-13 15:08:52,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,410 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,414 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 15:08:52,420 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-13 15:08:52,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:52,446 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:08:52,446 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:52,447 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:52,447 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 15:08:52,456 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-13 15:08:52,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,463 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:08:52,475 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:08:52,476 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,480 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,480 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,480 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,481 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,481 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,482 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,483 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,483 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,484 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,484 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,485 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,485 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,486 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,486 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,486 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,486 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,487 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,487 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,488 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,488 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,488 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,488 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,490 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,490 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,491 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,492 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,493 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,494 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,495 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,495 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,496 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,497 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,497 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,498 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,499 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,500 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,501 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,501 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,501 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,501 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,502 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,502 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,503 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,503 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,503 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,503 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,504 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,504 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,505 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,505 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,505 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,506 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,506 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,506 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,506 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,506 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,507 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,508 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,508 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,508 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,508 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,508 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:08:52,509 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_fd06a65e-1857-420b-a782-ee06472c5332/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-12-13 15:08:52,510 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_fd06a65e-1857-420b-a782-ee06472c5332/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-12-13 15:08:52,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:08:52,817 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:08:52,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52 WrapperNode [2022-12-13 15:08:52,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:08:52,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:08:52,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:08:52,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:08:52,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:52,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,188 INFO L138 Inliner]: procedures = 574, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 12126 [2022-12-13 15:08:53,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:08:53,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:08:53,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:08:53,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:08:53,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,489 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:08:53,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:08:53,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:08:53,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:08:53,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (1/1) ... [2022-12-13 15:08:53,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:08:53,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:08:53,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:08:53,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd06a65e-1857-420b-a782-ee06472c5332/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:08:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-13 15:08:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-13 15:08:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 15:08:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-13 15:08:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-13 15:08:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-13 15:08:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-12-13 15:08:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-13 15:08:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 15:08:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-12-13 15:08:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-13 15:08:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-13 15:08:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-12-13 15:08:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-12-13 15:08:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 15:08:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-13 15:08:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-13 15:08:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:08:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 15:08:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 15:08:53,654 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-12-13 15:08:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-12-13 15:08:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-12-13 15:08:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-12-13 15:08:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:08:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-12-13 15:08:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-12-13 15:08:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-12-13 15:08:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-13 15:08:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-12-13 15:08:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-13 15:08:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-12-13 15:08:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-12-13 15:08:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-12-13 15:08:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-13 15:08:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 15:08:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-12-13 15:08:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-12-13 15:08:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:08:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-13 15:08:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-13 15:08:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:08:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 15:08:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-13 15:08:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-13 15:08:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-13 15:08:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-13 15:08:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-13 15:08:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-12-13 15:08:53,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-12-13 15:08:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-12-13 15:08:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 15:08:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-12-13 15:08:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-13 15:08:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-13 15:08:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-13 15:08:53,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-13 15:08:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-12-13 15:08:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-13 15:08:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:08:53,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:08:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-13 15:08:53,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-13 15:08:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-12-13 15:08:53,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-12-13 15:08:53,679 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-12-13 15:08:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-12-13 15:08:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-12-13 15:08:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 15:08:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 15:08:53,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 15:08:53,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-13 15:08:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-13 15:08:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 15:08:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-13 15:08:53,681 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-12-13 15:08:53,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-12-13 15:08:54,521 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:08:54,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:08:54,785 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:09:19,035 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:09:19,050 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:09:19,050 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:09:19,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:19 BoogieIcfgContainer [2022-12-13 15:09:19,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:09:19,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:09:19,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:09:19,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:09:19,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:08:48" (1/3) ... [2022-12-13 15:09:19,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f796c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:19, skipping insertion in model container [2022-12-13 15:09:19,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:08:52" (2/3) ... [2022-12-13 15:09:19,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f796c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:19, skipping insertion in model container [2022-12-13 15:09:19,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:19" (3/3) ... [2022-12-13 15:09:19,060 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-12-13 15:09:19,073 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:09:19,073 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:09:19,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:09:19,149 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=PETRI_NET, 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;@797dadcf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:09:19,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:09:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand has 3080 states, 2052 states have (on average 1.2514619883040936) internal successors, (2568), 2096 states have internal predecessors, (2568), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-12-13 15:09:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 15:09:19,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:19,177 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:19,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:19,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:19,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1431675260, now seen corresponding path program 1 times [2022-12-13 15:09:19,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:19,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351510842] [2022-12-13 15:09:19,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:09:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:09:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:09:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:09:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:09:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:09:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:09:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:09:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:09:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:09:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:09:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:09:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:09:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:09:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:09:20,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:20,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351510842] [2022-12-13 15:09:20,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351510842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:20,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:20,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:09:20,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228336902] [2022-12-13 15:09:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:20,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:09:20,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:20,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:09:20,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:09:20,670 INFO L87 Difference]: Start difference. First operand has 3080 states, 2052 states have (on average 1.2514619883040936) internal successors, (2568), 2096 states have internal predecessors, (2568), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:30,817 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 [] [2022-12-13 15:09:30,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:30,970 INFO L93 Difference]: Finished difference Result 6271 states and 8977 transitions. [2022-12-13 15:09:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:09:30,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-12-13 15:09:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:30,999 INFO L225 Difference]: With dead ends: 6271 [2022-12-13 15:09:31,000 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:09:31,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:31,021 INFO L413 NwaCegarLoop]: 3081 mSDtfsCounter, 4225 mSDsluCounter, 3610 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 1853 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 6691 SdHoareTripleChecker+Invalid, 6230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:31,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 6691 Invalid, 6230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1853 Valid, 4376 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-13 15:09:31,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:09:31,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:09:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2382133995037221) internal successors, (2495), 2056 states have internal predecessors, (2495), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:09:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4217 transitions. [2022-12-13 15:09:31,246 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4217 transitions. Word has length 163 [2022-12-13 15:09:31,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:31,247 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4217 transitions. [2022-12-13 15:09:31,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4217 transitions. [2022-12-13 15:09:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:09:31,253 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:31,253 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:31,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:09:31,253 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2072504587, now seen corresponding path program 1 times [2022-12-13 15:09:31,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:31,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307508945] [2022-12-13 15:09:31,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:09:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:09:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:09:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:09:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:09:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:09:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:09:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:09:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:09:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:09:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:09:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:09:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:09:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:09:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:09:32,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:32,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307508945] [2022-12-13 15:09:32,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307508945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:32,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:32,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:09:32,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711507072] [2022-12-13 15:09:32,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:32,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:09:32,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:32,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:09:32,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:32,281 INFO L87 Difference]: Start difference. First operand 3010 states and 4217 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:43,169 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 [] [2022-12-13 15:09:43,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:43,344 INFO L93 Difference]: Finished difference Result 6143 states and 8664 transitions. [2022-12-13 15:09:43,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:09:43,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-12-13 15:09:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:43,369 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:09:43,369 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:09:43,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:09:43,385 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 6075 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 4777 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6075 SdHoareTripleChecker+Valid, 6571 SdHoareTripleChecker+Invalid, 9046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4777 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:43,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6075 Valid, 6571 Invalid, 9046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4777 Valid, 4268 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-12-13 15:09:43,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:09:43,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:09:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2377171215880893) internal successors, (2494), 2056 states have internal predecessors, (2494), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:09:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4216 transitions. [2022-12-13 15:09:43,649 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4216 transitions. Word has length 164 [2022-12-13 15:09:43,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:43,649 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4216 transitions. [2022-12-13 15:09:43,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:43,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4216 transitions. [2022-12-13 15:09:43,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-13 15:09:43,652 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:43,653 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:43,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:09:43,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1081586456, now seen corresponding path program 1 times [2022-12-13 15:09:43,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:43,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288765945] [2022-12-13 15:09:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:43,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:09:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:09:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:09:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:09:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:09:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:09:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:09:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:09:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:09:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:09:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:09:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:09:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:09:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:09:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:09:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:44,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288765945] [2022-12-13 15:09:44,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288765945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:44,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:44,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:09:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722328936] [2022-12-13 15:09:44,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:44,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:09:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:44,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:09:44,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:44,426 INFO L87 Difference]: Start difference. First operand 3010 states and 4216 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:54,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:09:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:54,533 INFO L93 Difference]: Finished difference Result 6143 states and 8662 transitions. [2022-12-13 15:09:54,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:09:54,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 165 [2022-12-13 15:09:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:54,551 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:09:54,551 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:09:54,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:09:54,566 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6071 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4262 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6071 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:54,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6071 Valid, 6563 Invalid, 9048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4262 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-13 15:09:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:09:54,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:09:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2372208436724565) internal successors, (2493), 2056 states have internal predecessors, (2493), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:09:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4215 transitions. [2022-12-13 15:09:54,814 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4215 transitions. Word has length 165 [2022-12-13 15:09:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:54,815 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4215 transitions. [2022-12-13 15:09:54,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:09:54,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4215 transitions. [2022-12-13 15:09:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-13 15:09:54,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:54,818 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:54,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:09:54,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:54,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:54,819 INFO L85 PathProgramCache]: Analyzing trace with hash 188677585, now seen corresponding path program 1 times [2022-12-13 15:09:54,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:54,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751106667] [2022-12-13 15:09:54,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:09:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:09:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:09:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:09:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:09:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:09:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:09:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:09:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:09:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:09:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:09:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:09:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:09:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:09:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:09:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:09:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:09:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:09:55,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:55,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751106667] [2022-12-13 15:09:55,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751106667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:55,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:55,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:09:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826073082] [2022-12-13 15:09:55,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:55,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:09:55,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:55,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:09:55,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:55,770 INFO L87 Difference]: Start difference. First operand 3010 states and 4215 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:05,901 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 [] [2022-12-13 15:10:06,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:06,070 INFO L93 Difference]: Finished difference Result 6143 states and 8660 transitions. [2022-12-13 15:10:06,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:06,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 166 [2022-12-13 15:10:06,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:06,082 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:10:06,082 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:10:06,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:10:06,092 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 6067 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 4263 mSolverCounterSat, 4779 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6067 SdHoareTripleChecker+Valid, 6569 SdHoareTripleChecker+Invalid, 9043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4779 IncrementalHoareTripleChecker+Valid, 4263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:06,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6067 Valid, 6569 Invalid, 9043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4779 Valid, 4263 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-12-13 15:10:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:10:06,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:10:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2367245657568238) internal successors, (2492), 2056 states have internal predecessors, (2492), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:10:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4214 transitions. [2022-12-13 15:10:06,238 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4214 transitions. Word has length 166 [2022-12-13 15:10:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:06,238 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4214 transitions. [2022-12-13 15:10:06,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4214 transitions. [2022-12-13 15:10:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 15:10:06,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:06,240 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:06,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:10:06,241 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:06,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:06,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1607177036, now seen corresponding path program 1 times [2022-12-13 15:10:06,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:06,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048855680] [2022-12-13 15:10:06,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:10:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:10:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:10:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:10:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:10:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:10:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:10:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:10:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:10:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:10:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:10:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:10:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:10:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:10:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:10:07,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:07,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048855680] [2022-12-13 15:10:07,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048855680] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:07,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:07,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:07,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472031845] [2022-12-13 15:10:07,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:07,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:07,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:07,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:07,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:07,005 INFO L87 Difference]: Start difference. First operand 3010 states and 4214 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:16,815 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 [] [2022-12-13 15:10:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:16,945 INFO L93 Difference]: Finished difference Result 6143 states and 8658 transitions. [2022-12-13 15:10:16,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:16,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 167 [2022-12-13 15:10:16,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:16,956 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:10:16,956 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:10:16,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:10:16,965 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6063 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4259 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4259 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:16,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6063 Valid, 6565 Invalid, 9043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4259 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-13 15:10:16,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:10:17,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:10:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.236228287841191) internal successors, (2491), 2056 states have internal predecessors, (2491), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:10:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4213 transitions. [2022-12-13 15:10:17,188 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4213 transitions. Word has length 167 [2022-12-13 15:10:17,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:17,189 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4213 transitions. [2022-12-13 15:10:17,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4213 transitions. [2022-12-13 15:10:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 15:10:17,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:17,193 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:17,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:10:17,194 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:17,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1329578835, now seen corresponding path program 1 times [2022-12-13 15:10:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:17,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787844058] [2022-12-13 15:10:17,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:17,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:10:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:10:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:10:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:10:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:10:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:10:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:10:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:10:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:10:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:10:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:10:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:10:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:10:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:10:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:10:18,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:18,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787844058] [2022-12-13 15:10:18,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787844058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:18,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:18,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:18,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731141721] [2022-12-13 15:10:18,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:18,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:18,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:18,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:18,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:18,047 INFO L87 Difference]: Start difference. First operand 3010 states and 4213 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:28,163 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 [] [2022-12-13 15:10:28,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:28,306 INFO L93 Difference]: Finished difference Result 6143 states and 8656 transitions. [2022-12-13 15:10:28,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:28,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2022-12-13 15:10:28,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:28,318 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:10:28,318 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:10:28,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:10:28,325 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6059 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:28,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 6567 Invalid, 9040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4781 Valid, 4258 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-13 15:10:28,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:10:28,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:10:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2357320099255582) internal successors, (2490), 2056 states have internal predecessors, (2490), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:10:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4212 transitions. [2022-12-13 15:10:28,480 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4212 transitions. Word has length 168 [2022-12-13 15:10:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:28,480 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4212 transitions. [2022-12-13 15:10:28,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4212 transitions. [2022-12-13 15:10:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 15:10:28,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:28,482 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:28,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:10:28,482 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:28,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:28,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1199452592, now seen corresponding path program 1 times [2022-12-13 15:10:28,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:28,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490868109] [2022-12-13 15:10:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:28,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:10:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:10:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:10:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:10:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:10:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:10:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:10:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:10:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:10:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:10:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:10:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:10:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:10:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:10:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:10:29,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:29,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490868109] [2022-12-13 15:10:29,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490868109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:29,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:29,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:29,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368193852] [2022-12-13 15:10:29,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:29,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:29,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:29,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:29,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:29,121 INFO L87 Difference]: Start difference. First operand 3010 states and 4212 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:39,525 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 [] [2022-12-13 15:10:39,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:39,629 INFO L93 Difference]: Finished difference Result 6143 states and 8654 transitions. [2022-12-13 15:10:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:39,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2022-12-13 15:10:39,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:39,641 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:10:39,641 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:10:39,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:10:39,650 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 6055 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 4257 mSolverCounterSat, 4779 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6055 SdHoareTripleChecker+Valid, 6569 SdHoareTripleChecker+Invalid, 9037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4779 IncrementalHoareTripleChecker+Valid, 4257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:39,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6055 Valid, 6569 Invalid, 9037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4779 Valid, 4257 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 15:10:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:10:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:10:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2352357320099256) internal successors, (2489), 2056 states have internal predecessors, (2489), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:10:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4211 transitions. [2022-12-13 15:10:39,810 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4211 transitions. Word has length 169 [2022-12-13 15:10:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:39,810 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4211 transitions. [2022-12-13 15:10:39,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4211 transitions. [2022-12-13 15:10:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-13 15:10:39,812 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:39,812 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:10:39,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:39,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1345989751, now seen corresponding path program 1 times [2022-12-13 15:10:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:39,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628463839] [2022-12-13 15:10:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:10:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:10:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:10:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:10:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:10:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:10:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:10:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:10:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:10:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:10:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:10:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:10:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:10:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:10:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:10:40,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:40,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628463839] [2022-12-13 15:10:40,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628463839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:40,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:40,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:40,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934133846] [2022-12-13 15:10:40,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:40,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:40,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:40,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:40,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:40,408 INFO L87 Difference]: Start difference. First operand 3010 states and 4211 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:50,880 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 [] [2022-12-13 15:10:51,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:10:51,039 INFO L93 Difference]: Finished difference Result 6143 states and 8652 transitions. [2022-12-13 15:10:51,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:10:51,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2022-12-13 15:10:51,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:10:51,052 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:10:51,052 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:10:51,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:10:51,060 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6051 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4253 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6051 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4253 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:10:51,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6051 Valid, 6565 Invalid, 9037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4253 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-12-13 15:10:51,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:10:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:10:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2347394540942929) internal successors, (2488), 2056 states have internal predecessors, (2488), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:10:51,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4210 transitions. [2022-12-13 15:10:51,230 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4210 transitions. Word has length 170 [2022-12-13 15:10:51,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:10:51,231 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4210 transitions. [2022-12-13 15:10:51,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:10:51,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4210 transitions. [2022-12-13 15:10:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 15:10:51,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:10:51,232 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:10:51,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:10:51,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:10:51,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:10:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1479157780, now seen corresponding path program 1 times [2022-12-13 15:10:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:10:51,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824452493] [2022-12-13 15:10:51,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:10:51,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:10:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:10:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:10:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:10:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:10:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:10:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:10:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:10:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:10:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:10:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:10:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:10:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:10:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:10:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:10:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:10:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:10:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:10:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:10:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:10:51,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:10:51,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824452493] [2022-12-13 15:10:51,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824452493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:10:51,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:10:51,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:10:51,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144450355] [2022-12-13 15:10:51,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:10:51,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:10:51,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:10:51,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:10:51,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:10:51,839 INFO L87 Difference]: Start difference. First operand 3010 states and 4210 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:01,200 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 [] [2022-12-13 15:11:01,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:01,327 INFO L93 Difference]: Finished difference Result 6143 states and 8650 transitions. [2022-12-13 15:11:01,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:01,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2022-12-13 15:11:01,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:01,337 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:01,338 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:01,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:01,345 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6047 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 4252 mSolverCounterSat, 4781 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6047 SdHoareTripleChecker+Valid, 6567 SdHoareTripleChecker+Invalid, 9034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4781 IncrementalHoareTripleChecker+Valid, 4252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:01,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6047 Valid, 6567 Invalid, 9034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4781 Valid, 4252 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-13 15:11:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.23424317617866) internal successors, (2487), 2056 states have internal predecessors, (2487), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4209 transitions. [2022-12-13 15:11:01,525 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4209 transitions. Word has length 171 [2022-12-13 15:11:01,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:01,526 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4209 transitions. [2022-12-13 15:11:01,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:01,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4209 transitions. [2022-12-13 15:11:01,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 15:11:01,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:01,527 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:01,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:11:01,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:01,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:01,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1197882779, now seen corresponding path program 1 times [2022-12-13 15:11:01,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:01,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072033294] [2022-12-13 15:11:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:01,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:02,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:02,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072033294] [2022-12-13 15:11:02,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072033294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:02,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:02,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:02,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394882206] [2022-12-13 15:11:02,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:02,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:02,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:02,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:02,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:02,165 INFO L87 Difference]: Start difference. First operand 3010 states and 4209 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:12,569 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 [] [2022-12-13 15:11:12,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:12,692 INFO L93 Difference]: Finished difference Result 6143 states and 8648 transitions. [2022-12-13 15:11:12,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:12,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-12-13 15:11:12,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:12,702 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:12,703 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:12,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:12,710 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6043 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4248 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6043 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4248 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:12,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6043 Valid, 6563 Invalid, 9034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4248 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-12-13 15:11:12,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:12,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2337468982630273) internal successors, (2486), 2056 states have internal predecessors, (2486), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4208 transitions. [2022-12-13 15:11:12,898 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4208 transitions. Word has length 172 [2022-12-13 15:11:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:12,898 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4208 transitions. [2022-12-13 15:11:12,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4208 transitions. [2022-12-13 15:11:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 15:11:12,900 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:12,900 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:12,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:11:12,900 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:12,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:12,900 INFO L85 PathProgramCache]: Analyzing trace with hash -953775736, now seen corresponding path program 1 times [2022-12-13 15:11:12,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:12,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905753977] [2022-12-13 15:11:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:12,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:13,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:13,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905753977] [2022-12-13 15:11:13,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905753977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:13,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:13,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:13,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345814631] [2022-12-13 15:11:13,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:13,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:13,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:13,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:13,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:13,515 INFO L87 Difference]: Start difference. First operand 3010 states and 4208 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:23,363 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 [] [2022-12-13 15:11:23,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:23,515 INFO L93 Difference]: Finished difference Result 6143 states and 8646 transitions. [2022-12-13 15:11:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:23,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 173 [2022-12-13 15:11:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:23,530 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:23,530 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:23,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:23,538 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6039 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6039 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4246 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:23,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6039 Valid, 6563 Invalid, 9032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4246 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-12-13 15:11:23,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2332506203473945) internal successors, (2485), 2056 states have internal predecessors, (2485), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4207 transitions. [2022-12-13 15:11:23,783 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4207 transitions. Word has length 173 [2022-12-13 15:11:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:23,783 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4207 transitions. [2022-12-13 15:11:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4207 transitions. [2022-12-13 15:11:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-13 15:11:23,786 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:23,786 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:23,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:11:23,786 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:23,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:23,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1861875391, now seen corresponding path program 1 times [2022-12-13 15:11:23,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:23,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982639373] [2022-12-13 15:11:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:24,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:24,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982639373] [2022-12-13 15:11:24,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982639373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:24,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:24,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880029848] [2022-12-13 15:11:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:24,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:24,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:24,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:24,421 INFO L87 Difference]: Start difference. First operand 3010 states and 4207 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:35,213 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 [] [2022-12-13 15:11:35,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:35,355 INFO L93 Difference]: Finished difference Result 6143 states and 8644 transitions. [2022-12-13 15:11:35,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:35,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 174 [2022-12-13 15:11:35,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:35,366 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:35,366 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:35,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:35,374 INFO L413 NwaCegarLoop]: 3020 mSDtfsCounter, 6035 mSDsluCounter, 3541 mSDsCounter, 0 mSdLazyCounter, 4243 mSolverCounterSat, 4787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6035 SdHoareTripleChecker+Valid, 6561 SdHoareTripleChecker+Invalid, 9031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4787 IncrementalHoareTripleChecker+Valid, 4243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:35,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6035 Valid, 6561 Invalid, 9031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4787 Valid, 4243 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-12-13 15:11:35,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:35,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2327543424317617) internal successors, (2484), 2056 states have internal predecessors, (2484), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4206 transitions. [2022-12-13 15:11:35,598 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4206 transitions. Word has length 174 [2022-12-13 15:11:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:35,599 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4206 transitions. [2022-12-13 15:11:35,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4206 transitions. [2022-12-13 15:11:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 15:11:35,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:35,600 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:35,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:11:35,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:35,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:35,601 INFO L85 PathProgramCache]: Analyzing trace with hash 166322980, now seen corresponding path program 1 times [2022-12-13 15:11:35,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:35,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367780167] [2022-12-13 15:11:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:35,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:36,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:36,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367780167] [2022-12-13 15:11:36,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367780167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:36,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:36,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:36,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069215543] [2022-12-13 15:11:36,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:36,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:36,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:36,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:36,182 INFO L87 Difference]: Start difference. First operand 3010 states and 4206 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:46,981 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 [] [2022-12-13 15:11:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:47,103 INFO L93 Difference]: Finished difference Result 6143 states and 8642 transitions. [2022-12-13 15:11:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:47,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-12-13 15:11:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:47,113 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:47,113 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:47,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:47,121 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6031 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4243 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6031 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4243 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:47,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6031 Valid, 6565 Invalid, 9027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4243 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-13 15:11:47,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:47,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.232258064516129) internal successors, (2483), 2056 states have internal predecessors, (2483), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4205 transitions. [2022-12-13 15:11:47,342 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4205 transitions. Word has length 175 [2022-12-13 15:11:47,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:47,342 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4205 transitions. [2022-12-13 15:11:47,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4205 transitions. [2022-12-13 15:11:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-13 15:11:47,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:47,343 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:47,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:11:47,344 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1269520355, now seen corresponding path program 1 times [2022-12-13 15:11:47,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680437073] [2022-12-13 15:11:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:47,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:47,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:47,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680437073] [2022-12-13 15:11:47,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680437073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:47,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:47,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497590172] [2022-12-13 15:11:47,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:47,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:47,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:47,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:47,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:47,931 INFO L87 Difference]: Start difference. First operand 3010 states and 4205 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:58,068 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 [] [2022-12-13 15:11:58,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:11:58,193 INFO L93 Difference]: Finished difference Result 6143 states and 8640 transitions. [2022-12-13 15:11:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:11:58,193 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 176 [2022-12-13 15:11:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:11:58,204 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:11:58,204 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:11:58,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:11:58,212 INFO L413 NwaCegarLoop]: 3021 mSDtfsCounter, 6027 mSDsluCounter, 3542 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 4785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6027 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 9026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4785 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:11:58,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6027 Valid, 6563 Invalid, 9026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4785 Valid, 4240 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-12-13 15:11:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:11:58,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:11:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2317617866004962) internal successors, (2482), 2056 states have internal predecessors, (2482), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:11:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4204 transitions. [2022-12-13 15:11:58,478 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4204 transitions. Word has length 176 [2022-12-13 15:11:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:11:58,479 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4204 transitions. [2022-12-13 15:11:58,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:11:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4204 transitions. [2022-12-13 15:11:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 15:11:58,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:11:58,480 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:11:58,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:11:58,480 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:11:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:11:58,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1578493120, now seen corresponding path program 1 times [2022-12-13 15:11:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:11:58,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736990859] [2022-12-13 15:11:58,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:11:58,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:11:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:11:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:11:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:11:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:11:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:11:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:11:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:11:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:11:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:11:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:11:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:11:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:11:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:11:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:11:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:11:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:11:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:11:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:11:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:11:59,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:11:59,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736990859] [2022-12-13 15:11:59,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736990859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:11:59,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:11:59,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:11:59,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287049397] [2022-12-13 15:11:59,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:11:59,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:11:59,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:11:59,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:11:59,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:11:59,062 INFO L87 Difference]: Start difference. First operand 3010 states and 4204 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:12:09,440 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 [] [2022-12-13 15:12:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:12:09,553 INFO L93 Difference]: Finished difference Result 6143 states and 8638 transitions. [2022-12-13 15:12:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:12:09,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-12-13 15:12:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:12:09,569 INFO L225 Difference]: With dead ends: 6143 [2022-12-13 15:12:09,569 INFO L226 Difference]: Without dead ends: 3150 [2022-12-13 15:12:09,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:12:09,581 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 6023 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 4239 mSolverCounterSat, 4783 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6023 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 9023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4783 IncrementalHoareTripleChecker+Valid, 4239 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:12:09,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6023 Valid, 6565 Invalid, 9023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4783 Valid, 4239 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-12-13 15:12:09,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-12-13 15:12:09,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3010. [2022-12-13 15:12:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3010 states, 2015 states have (on average 1.2312655086848636) internal successors, (2481), 2056 states have internal predecessors, (2481), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:12:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 3010 states and 4203 transitions. [2022-12-13 15:12:09,865 INFO L78 Accepts]: Start accepts. Automaton has 3010 states and 4203 transitions. Word has length 177 [2022-12-13 15:12:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:12:09,865 INFO L495 AbstractCegarLoop]: Abstraction has 3010 states and 4203 transitions. [2022-12-13 15:12:09,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:12:09,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3010 states and 4203 transitions. [2022-12-13 15:12:09,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-12-13 15:12:09,867 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:12:09,867 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:12:09,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:12:09,867 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:12:09,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:12:09,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1607122271, now seen corresponding path program 1 times [2022-12-13 15:12:09,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:12:09,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151719991] [2022-12-13 15:12:09,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:12:09,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:12:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:12:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:12:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:12:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:12:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:12:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:12:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:12:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:12:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:12:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:12:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:12:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 15:12:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 15:12:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 15:12:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-13 15:12:10,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:12:10,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151719991] [2022-12-13 15:12:10,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151719991] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:12:10,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:12:10,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:12:10,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432513839] [2022-12-13 15:12:10,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:12:10,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:12:10,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:12:10,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:12:10,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:12:10,586 INFO L87 Difference]: Start difference. First operand 3010 states and 4203 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:12:22,828 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 [] [2022-12-13 15:12:23,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:12:23,091 INFO L93 Difference]: Finished difference Result 3151 states and 4422 transitions. [2022-12-13 15:12:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:12:23,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 177 [2022-12-13 15:12:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:12:23,100 INFO L225 Difference]: With dead ends: 3151 [2022-12-13 15:12:23,100 INFO L226 Difference]: Without dead ends: 3149 [2022-12-13 15:12:23,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:12:23,101 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 1103 mSDsluCounter, 9394 mSDsCounter, 0 mSdLazyCounter, 6849 mSolverCounterSat, 672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 12435 SdHoareTripleChecker+Invalid, 7522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 6849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:12:23,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 12435 Invalid, 7522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [672 Valid, 6849 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-12-13 15:12:23,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-12-13 15:12:23,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3008. [2022-12-13 15:12:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 2014 states have (on average 1.230883813306852) internal successors, (2479), 2054 states have internal predecessors, (2479), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-12-13 15:12:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 4201 transitions. [2022-12-13 15:12:23,342 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 4201 transitions. Word has length 177 [2022-12-13 15:12:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:12:23,342 INFO L495 AbstractCegarLoop]: Abstraction has 3008 states and 4201 transitions. [2022-12-13 15:12:23,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:12:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 4201 transitions. [2022-12-13 15:12:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 15:12:23,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:12:23,344 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:12:23,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:12:23,344 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:12:23,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:12:23,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1225990296, now seen corresponding path program 1 times [2022-12-13 15:12:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:12:23,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276499945] [2022-12-13 15:12:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:12:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:12:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-12-13 15:12:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:12:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 15:12:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 15:12:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 15:12:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:12:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:12:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 15:12:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 15:12:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:12:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 15:12:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 15:12:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 15:12:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:12:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 15:12:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:12:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 15:12:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 15:12:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:12:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-13 15:12:24,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:12:24,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276499945] [2022-12-13 15:12:24,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276499945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:12:24,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:12:24,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:12:24,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376638863] [2022-12-13 15:12:24,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:12:24,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:12:24,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:12:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:12:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:12:24,157 INFO L87 Difference]: Start difference. First operand 3008 states and 4201 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 15:12:36,023 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 [] [2022-12-13 15:12:36,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:12:36,153 INFO L93 Difference]: Finished difference Result 3147 states and 4414 transitions. [2022-12-13 15:12:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:12:36,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 201 [2022-12-13 15:12:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:12:36,155 INFO L225 Difference]: With dead ends: 3147 [2022-12-13 15:12:36,155 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:12:36,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:12:36,162 INFO L413 NwaCegarLoop]: 3040 mSDtfsCounter, 1101 mSDsluCounter, 9398 mSDsCounter, 0 mSdLazyCounter, 6817 mSolverCounterSat, 672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 12438 SdHoareTripleChecker+Invalid, 7490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 6817 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:12:36,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1383 Valid, 12438 Invalid, 7490 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [672 Valid, 6817 Invalid, 1 Unknown, 0 Unchecked, 11.4s Time] [2022-12-13 15:12:36,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:12:36,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:12:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:12:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:12:36,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2022-12-13 15:12:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:12:36,164 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:12:36,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 15:12:36,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:12:36,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:12:36,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-13 15:12:36,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-12-13 15:12:36,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:12:36,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:15:01,426 WARN L233 SmtUtils]: Spent 2.42m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 15:17:25,406 WARN L233 SmtUtils]: Spent 2.40m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 15:19:56,571 WARN L233 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 15:22:27,373 WARN L233 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 90 DAG size of output: 88 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)