./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- 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-38b53e6 [2022-11-25 23:23:27,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:23:27,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:23:27,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:23:27,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:23:27,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:23:27,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:23:27,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:23:27,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:23:27,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:23:27,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:23:27,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:23:27,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:23:27,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:23:27,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:23:27,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:23:27,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:23:27,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:23:27,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:23:27,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:23:27,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:23:27,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:23:27,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:23:27,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:23:27,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:23:27,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:23:28,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:23:28,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:23:28,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:23:28,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:23:28,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:23:28,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:23:28,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:23:28,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:23:28,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:23:28,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:23:28,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:23:28,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:23:28,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:23:28,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:23:28,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:23:28,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:23:28,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:23:28,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:23:28,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:23:28,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:23:28,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:23:28,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:23:28,039 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:23:28,039 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:23:28,039 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:23:28,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:23:28,040 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:23:28,040 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:23:28,041 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:23:28,041 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:23:28,042 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:23:28,042 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:23:28,042 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:23:28,043 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:23:28,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:23:28,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:23:28,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:23:28,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:23:28,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:23:28,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:23:28,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:23:28,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:23:28,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:23:28,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:23:28,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:23:28,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:28,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:23:28,048 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:23:28,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:23:28,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:23:28,049 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:23:28,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:23:28,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:23:28,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:23:28,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2022-11-25 23:23:28,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:23:28,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:23:28,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:23:28,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:23:28,340 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:23:28,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-11-25 23:23:31,472 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:23:32,237 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:23:32,237 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-11-25 23:23:32,293 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/data/c2db4bb41/d07a3191de004669b2776fe8375d1527/FLAGab057da01 [2022-11-25 23:23:32,315 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/data/c2db4bb41/d07a3191de004669b2776fe8375d1527 [2022-11-25 23:23:32,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:23:32,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:23:32,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:32,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:23:32,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:23:32,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:32" (1/1) ... [2022-11-25 23:23:32,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207c8c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:32, skipping insertion in model container [2022-11-25 23:23:32,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:32" (1/1) ... [2022-11-25 23:23:32,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:23:32,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:23:33,489 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:23:33,503 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-11-25 23:23:33,520 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:23:33,671 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:23:33,677 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:23:33,678 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:23:33,687 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:23:33,696 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:23:33,705 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:23:33,748 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:23:33,760 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:33,764 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:23:33,922 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:23:33,924 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:23:34,007 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:23:34,009 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:23:34,022 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:34,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:34,069 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:23:34,075 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:23:34,192 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:23:34,257 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:23:34,296 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:23:34,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,415 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,416 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,416 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,417 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,417 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,417 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,418 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:23:34,418 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,419 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,419 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,420 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:23:34,420 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,426 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,431 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,439 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:34,440 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:23:34,453 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,474 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,509 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,513 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,514 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,515 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,517 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,541 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,550 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:23:34,551 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 23:23:34,573 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,579 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:34,581 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:34,584 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:34,587 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:34,641 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,646 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,648 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,659 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:34,671 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:23:34,671 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,672 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:23:34,675 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,675 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:23:34,682 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,682 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,683 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,683 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,683 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,684 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,685 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,685 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,686 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,686 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,687 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,687 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,688 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,688 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,689 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,690 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,690 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,691 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,691 WARN L623 FunctionHandler]: Unknown extern function csum_partial_copy_nocheck [2022-11-25 23:23:34,692 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,692 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,692 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,693 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,693 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,694 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,694 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,695 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,696 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,696 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,697 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,698 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,700 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,700 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,701 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,706 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,707 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,707 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,709 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,709 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,711 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,725 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,726 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,726 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,726 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,727 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,727 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,770 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:34,770 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:34,771 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:34,771 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:23:34,773 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 23:23:34,788 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 23:23:34,789 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,790 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,796 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,796 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,797 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,797 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,798 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:23:34,799 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,805 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:23:34,813 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,814 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,816 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:34,816 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:34,816 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:34,822 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:34,822 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:23:34,823 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,829 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,830 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,839 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,839 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,840 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,848 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,849 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,849 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,852 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,852 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,864 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:34,866 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,867 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:34,877 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,880 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,880 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,886 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,893 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,893 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,900 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,901 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,901 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:23:34,914 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:34,914 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:23:34,915 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,915 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,916 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,917 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,918 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:23:34,918 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:34,925 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:23:34,925 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,926 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,926 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,928 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,929 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,929 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,930 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,930 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:34,930 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,931 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:34,932 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:34,932 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:34,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:34,941 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:23:34,941 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-11-25 23:23:34,945 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:23:34,947 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:23:34,949 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:23:34,950 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:23:34,957 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:23:34,960 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:34,962 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:34,965 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:34,966 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:34,967 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:34,967 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:23:34,967 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:23:34,967 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:34,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:34,975 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:34,976 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:23:34,977 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:34,977 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:23:34,977 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:23:34,978 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:34,991 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:23:35,392 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:23:35,393 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:23:35,394 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:23:35,395 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:23:35,398 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:23:35,402 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:23:35,402 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:23:35,424 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:23:35,427 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:23:35,445 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:23:35,446 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:23:35,447 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:23:35,449 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:23:35,449 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:23:35,450 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:23:35,450 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:23:35,450 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:23:35,453 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:23:35,526 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:23:35,536 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,609 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,614 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,620 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,625 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,650 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,655 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,661 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,666 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,672 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,692 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,698 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,703 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,710 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,745 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,746 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,747 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,747 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,775 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,781 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,786 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,791 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,796 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,818 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,823 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,832 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,837 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,842 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,863 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,869 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,874 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,879 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,885 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,904 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,909 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,915 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,920 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,925 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,945 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,951 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,956 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,961 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,967 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,987 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,992 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:35,997 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,003 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,008 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,025 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,030 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,036 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,040 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,046 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,063 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,068 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,072 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,077 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,082 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,098 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,098 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,099 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,099 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,099 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,100 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,100 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,100 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,101 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,102 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,102 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,126 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_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-11-25 23:23:36,130 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_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-11-25 23:23:36,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:36,206 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:23:36,330 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:23:36,330 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-11-25 23:23:36,331 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:23:36,337 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:23:36,338 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 23:23:36,339 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 23:23:36,340 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 23:23:36,342 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 23:23:36,343 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 23:23:36,346 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 23:23:36,348 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:36,348 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 23:23:36,354 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:23:36,354 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:23:36,356 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 23:23:36,357 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 23:23:36,358 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:23:36,359 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:36,360 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 23:23:36,418 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 23:23:36,419 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 23:23:36,422 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 23:23:36,423 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 23:23:36,429 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,430 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,430 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,430 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,431 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,431 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,431 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,432 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:23:36,432 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,433 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,433 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,433 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 23:23:36,434 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,434 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,435 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,436 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:36,436 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 23:23:36,437 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,441 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,448 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,448 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,449 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,450 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,467 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 23:23:36,468 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 23:23:36,476 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,477 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:36,480 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:36,481 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:36,483 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 23:23:36,491 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,492 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,492 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,509 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:23:36,511 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-25 23:23:36,513 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,514 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:23:36,516 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,517 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:23:36,519 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,519 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,519 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,520 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,520 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,521 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,521 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,521 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,522 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,523 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,523 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,524 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,524 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,525 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,525 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,526 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,526 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,527 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,527 WARN L623 FunctionHandler]: Unknown extern function csum_partial_copy_nocheck [2022-11-25 23:23:36,528 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,528 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,528 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,529 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,529 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,529 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,530 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,530 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,531 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,531 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,532 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,532 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,533 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,533 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,535 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,535 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,536 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,536 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,537 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,537 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,537 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,538 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,538 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,539 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,548 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:36,548 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:36,549 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 23:23:36,549 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 23:23:36,550 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 23:23:36,554 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 23:23:36,554 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,555 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,556 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,556 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,559 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,560 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,560 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 23:23:36,560 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,562 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 23:23:36,563 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,564 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,565 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:36,565 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:36,565 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:36,566 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:36,566 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:23:36,566 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,568 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,569 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,573 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,573 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,574 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,575 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,576 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,576 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,578 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,578 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,580 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:36,581 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,584 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 23:23:36,585 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,586 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,590 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,591 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,592 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 23:23:36,593 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:36,594 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 23:23:36,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,595 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,596 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,597 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,597 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 23:23:36,598 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 23:23:36,599 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:23:36,599 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,600 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,601 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,601 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,602 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 23:23:36,602 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,604 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,605 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 23:23:36,605 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-11-25 23:23:36,606 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:36,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:36,617 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 23:23:36,618 WARN L623 FunctionHandler]: Unknown extern function pci_set_mwi [2022-11-25 23:23:36,620 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 23:23:36,622 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 23:23:36,623 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 23:23:36,624 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 23:23:36,628 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 23:23:36,629 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:36,634 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:36,635 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 23:23:36,635 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 23:23:36,636 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:36,636 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:23:36,637 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:23:36,637 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:36,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:23:36,639 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 23:23:36,639 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 23:23:36,639 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 23:23:36,640 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 23:23:36,640 WARN L623 FunctionHandler]: Unknown extern function pci_clear_mwi [2022-11-25 23:23:36,640 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 23:23:36,648 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-25 23:23:36,655 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 23:23:36,656 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 23:23:36,656 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 23:23:36,657 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 23:23:36,662 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:23:36,665 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 23:23:36,666 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 23:23:36,678 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 23:23:36,680 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 23:23:36,697 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:23:36,697 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 23:23:36,698 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 23:23:36,699 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 23:23:36,699 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:23:36,699 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 23:23:36,700 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 23:23:36,700 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 23:23:36,701 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 23:23:36,705 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:23:36,706 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,711 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,712 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,712 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,713 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,715 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,716 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,717 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,718 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,719 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,720 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,720 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,721 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,722 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,722 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,723 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,723 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,724 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,725 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,726 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,726 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,727 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,728 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,728 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,729 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,729 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,730 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,731 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,732 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,733 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,734 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,735 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,736 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,737 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,738 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,739 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,740 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,741 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,742 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,742 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,743 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,743 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,744 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,745 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,746 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,746 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,747 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,748 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,748 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,749 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,749 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,750 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,751 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,752 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,752 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,753 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,754 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,754 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,754 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,755 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,755 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,755 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,756 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:23:36,758 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_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-11-25 23:23:36,758 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_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-11-25 23:23:36,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:37,101 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:23:37,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37 WrapperNode [2022-11-25 23:23:37,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:37,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:37,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:23:37,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:23:37,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,453 INFO L138 Inliner]: procedures = 455, calls = 2232, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5119 [2022-11-25 23:23:37,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:37,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:23:37,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:23:37,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:23:37,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:23:37,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:23:37,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:23:37,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:23:37,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (1/1) ... [2022-11-25 23:23:37,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:37,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:37,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:23:37,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:23:37,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 23:23:37,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 23:23:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:23:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:23:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 23:23:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 23:23:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 23:23:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 23:23:37,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:23:37,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:23:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 23:23:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 23:23:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2022-11-25 23:23:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2022-11-25 23:23:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2022-11-25 23:23:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2022-11-25 23:23:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2022-11-25 23:23:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2022-11-25 23:23:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 23:23:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 23:23:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:23:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:23:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-25 23:23:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-25 23:23:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 23:23:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 23:23:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:23:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 23:23:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 23:23:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:23:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:23:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 23:23:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 23:23:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 23:23:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 23:23:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 23:23:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 23:23:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 23:23:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 23:23:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:23:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:23:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 23:23:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 23:23:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:23:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2022-11-25 23:23:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2022-11-25 23:23:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2022-11-25 23:23:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2022-11-25 23:23:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 23:23:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 23:23:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2022-11-25 23:23:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2022-11-25 23:23:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2022-11-25 23:23:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2022-11-25 23:23:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:23:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2022-11-25 23:23:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2022-11-25 23:23:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 23:23:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 23:23:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:23:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:23:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:23:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:23:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 23:23:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 23:23:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:23:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:23:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 23:23:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 23:23:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:23:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:23:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:23:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:23:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-25 23:23:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-25 23:23:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 23:23:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 23:23:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 23:23:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 23:23:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2022-11-25 23:23:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2022-11-25 23:23:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2022-11-25 23:23:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2022-11-25 23:23:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2022-11-25 23:23:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2022-11-25 23:23:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2022-11-25 23:23:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2022-11-25 23:23:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:23:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:23:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:23:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:23:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2022-11-25 23:23:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:23:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 23:23:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:23:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:23:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:23:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:23:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-25 23:23:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-25 23:23:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-25 23:23:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-25 23:23:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-25 23:23:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2022-11-25 23:23:37,992 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2022-11-25 23:23:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-25 23:23:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-25 23:23:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2022-11-25 23:23:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2022-11-25 23:23:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:23:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:23:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 23:23:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 23:23:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2022-11-25 23:23:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2022-11-25 23:23:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:23:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:23:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2022-11-25 23:23:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2022-11-25 23:23:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:23:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:23:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 23:23:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 23:23:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 23:23:37,995 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 23:23:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:23:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:23:37,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:23:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:23:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 23:23:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 23:23:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 23:23:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 23:23:37,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:23:37,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:23:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 23:23:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 23:23:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 23:23:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 23:23:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2022-11-25 23:23:37,997 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2022-11-25 23:23:37,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:23:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 23:23:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 23:23:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:23:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-11-25 23:23:37,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-11-25 23:23:37,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:23:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2022-11-25 23:23:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2022-11-25 23:23:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 23:23:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 23:23:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 23:23:37,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 23:23:37,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:23:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:23:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-25 23:23:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-25 23:23:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 23:23:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 23:23:38,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-25 23:23:38,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-25 23:23:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 23:23:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 23:23:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 23:23:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 23:23:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2022-11-25 23:23:38,001 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2022-11-25 23:23:38,001 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:23:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:23:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2022-11-25 23:23:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2022-11-25 23:23:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2022-11-25 23:23:38,002 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2022-11-25 23:23:38,002 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2022-11-25 23:23:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2022-11-25 23:23:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:23:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:23:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:23:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-11-25 23:23:38,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-11-25 23:23:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2022-11-25 23:23:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2022-11-25 23:23:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:23:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:23:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2022-11-25 23:23:38,004 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2022-11-25 23:23:38,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:23:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:23:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2022-11-25 23:23:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2022-11-25 23:23:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 23:23:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 23:23:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 23:23:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 23:23:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:23:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2022-11-25 23:23:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2022-11-25 23:23:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:23:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:23:39,017 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:23:39,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:23:39,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:23:47,100 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:23:47,252 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:23:48,708 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:23:48,708 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:23:48,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:48 BoogieIcfgContainer [2022-11-25 23:23:48,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:23:48,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:23:48,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:23:48,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:23:48,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:23:32" (1/3) ... [2022-11-25 23:23:48,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7076c890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:48, skipping insertion in model container [2022-11-25 23:23:48,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:37" (2/3) ... [2022-11-25 23:23:48,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7076c890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:48, skipping insertion in model container [2022-11-25 23:23:48,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:48" (3/3) ... [2022-11-25 23:23:48,728 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-11-25 23:23:48,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:23:48,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:23:48,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:23:48,878 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44f11b0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:23:48,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:23:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 1326 states, 760 states have (on average 1.3) internal successors, (988), 782 states have internal predecessors, (988), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) [2022-11-25 23:23:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-25 23:23:48,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:48,949 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:48,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:48,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1062010424, now seen corresponding path program 1 times [2022-11-25 23:23:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:48,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676498079] [2022-11-25 23:23:48,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:48,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-11-25 23:23:49,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:49,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676498079] [2022-11-25 23:23:49,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676498079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:49,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:50,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:23:50,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695973518] [2022-11-25 23:23:50,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:50,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:23:50,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:23:50,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:50,058 INFO L87 Difference]: Start difference. First operand has 1326 states, 760 states have (on average 1.3) internal successors, (988), 782 states have internal predecessors, (988), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 23:23:52,958 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 [] [2022-11-25 23:23:57,137 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 [] [2022-11-25 23:23:57,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:57,430 INFO L93 Difference]: Finished difference Result 3447 states and 5028 transitions. [2022-11-25 23:23:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:23:57,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 167 [2022-11-25 23:23:57,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:57,487 INFO L225 Difference]: With dead ends: 3447 [2022-11-25 23:23:57,487 INFO L226 Difference]: Without dead ends: 2081 [2022-11-25 23:23:57,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:57,512 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 1157 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 3637 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:57,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 3637 Invalid, 533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 514 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-25 23:23:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2081 states. [2022-11-25 23:23:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2081 to 2077. [2022-11-25 23:23:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2077 states, 1222 states have (on average 1.295417348608838) internal successors, (1583), 1255 states have internal predecessors, (1583), 700 states have call successors, (700), 155 states have call predecessors, (700), 154 states have return successors, (700), 690 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-25 23:23:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 2077 states and 2983 transitions. [2022-11-25 23:23:57,782 INFO L78 Accepts]: Start accepts. Automaton has 2077 states and 2983 transitions. Word has length 167 [2022-11-25 23:23:57,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:57,783 INFO L495 AbstractCegarLoop]: Abstraction has 2077 states and 2983 transitions. [2022-11-25 23:23:57,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 23:23:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2983 transitions. [2022-11-25 23:23:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-25 23:23:57,793 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:57,793 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:57,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:23:57,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:23:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:57,795 INFO L85 PathProgramCache]: Analyzing trace with hash -933751732, now seen corresponding path program 1 times [2022-11-25 23:23:57,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:57,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95877803] [2022-11-25 23:23:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-11-25 23:23:58,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:58,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95877803] [2022-11-25 23:23:58,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95877803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:58,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:58,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:23:58,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672350066] [2022-11-25 23:23:58,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:58,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:23:58,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:58,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:23:58,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:58,266 INFO L87 Difference]: Start difference. First operand 2077 states and 2983 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:24:00,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:03,390 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 [] [2022-11-25 23:24:05,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:05,129 INFO L93 Difference]: Finished difference Result 5279 states and 7553 transitions. [2022-11-25 23:24:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:05,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 184 [2022-11-25 23:24:05,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:05,163 INFO L225 Difference]: With dead ends: 5279 [2022-11-25 23:24:05,163 INFO L226 Difference]: Without dead ends: 3219 [2022-11-25 23:24:05,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:05,182 INFO L413 NwaCegarLoop]: 2001 mSDtfsCounter, 1495 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 3582 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:05,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 3582 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 490 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 23:24:05,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-11-25 23:24:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3214. [2022-11-25 23:24:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3214 states, 1890 states have (on average 1.2835978835978836) internal successors, (2426), 1944 states have internal predecessors, (2426), 1077 states have call successors, (1077), 249 states have call predecessors, (1077), 246 states have return successors, (1078), 1057 states have call predecessors, (1078), 1077 states have call successors, (1078) [2022-11-25 23:24:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 3214 states and 4581 transitions. [2022-11-25 23:24:05,413 INFO L78 Accepts]: Start accepts. Automaton has 3214 states and 4581 transitions. Word has length 184 [2022-11-25 23:24:05,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:05,415 INFO L495 AbstractCegarLoop]: Abstraction has 3214 states and 4581 transitions. [2022-11-25 23:24:05,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:24:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 4581 transitions. [2022-11-25 23:24:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-25 23:24:05,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:05,426 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:05,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:24:05,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:05,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 930438492, now seen corresponding path program 1 times [2022-11-25 23:24:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:05,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604035644] [2022-11-25 23:24:05,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:05,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-11-25 23:24:05,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:05,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604035644] [2022-11-25 23:24:05,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604035644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:05,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:05,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:05,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383642327] [2022-11-25 23:24:05,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:05,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:05,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:05,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:05,929 INFO L87 Difference]: Start difference. First operand 3214 states and 4581 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 23:24:09,499 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 [] [2022-11-25 23:24:11,615 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 [] [2022-11-25 23:24:13,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:13,946 INFO L93 Difference]: Finished difference Result 7317 states and 10428 transitions. [2022-11-25 23:24:13,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:13,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 210 [2022-11-25 23:24:13,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:13,984 INFO L225 Difference]: With dead ends: 7317 [2022-11-25 23:24:13,984 INFO L226 Difference]: Without dead ends: 4120 [2022-11-25 23:24:14,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:14,007 INFO L413 NwaCegarLoop]: 2593 mSDtfsCounter, 1114 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1116 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:14,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1116 Valid, 4189 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 649 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-25 23:24:14,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4120 states. [2022-11-25 23:24:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4120 to 4115. [2022-11-25 23:24:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4115 states, 2439 states have (on average 1.2820828208282082) internal successors, (3127), 2506 states have internal predecessors, (3127), 1355 states have call successors, (1355), 324 states have call predecessors, (1355), 320 states have return successors, (1356), 1330 states have call predecessors, (1356), 1355 states have call successors, (1356) [2022-11-25 23:24:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 4115 states and 5838 transitions. [2022-11-25 23:24:14,280 INFO L78 Accepts]: Start accepts. Automaton has 4115 states and 5838 transitions. Word has length 210 [2022-11-25 23:24:14,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:14,281 INFO L495 AbstractCegarLoop]: Abstraction has 4115 states and 5838 transitions. [2022-11-25 23:24:14,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-25 23:24:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4115 states and 5838 transitions. [2022-11-25 23:24:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-25 23:24:14,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:14,290 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:14,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:24:14,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:14,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:14,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1227220784, now seen corresponding path program 1 times [2022-11-25 23:24:14,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:14,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223348294] [2022-11-25 23:24:14,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2022-11-25 23:24:14,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:14,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223348294] [2022-11-25 23:24:14,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223348294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:14,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:14,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:14,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125035914] [2022-11-25 23:24:14,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:14,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:14,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:14,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:14,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:14,866 INFO L87 Difference]: Start difference. First operand 4115 states and 5838 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 23:24:18,113 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 [] [2022-11-25 23:24:20,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:21,431 INFO L93 Difference]: Finished difference Result 8245 states and 11798 transitions. [2022-11-25 23:24:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 272 [2022-11-25 23:24:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:21,472 INFO L225 Difference]: With dead ends: 8245 [2022-11-25 23:24:21,472 INFO L226 Difference]: Without dead ends: 4147 [2022-11-25 23:24:21,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:21,507 INFO L413 NwaCegarLoop]: 1636 mSDtfsCounter, 5 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3268 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:21,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3268 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 463 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:24:21,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4147 states. [2022-11-25 23:24:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4147 to 4119. [2022-11-25 23:24:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4119 states, 2443 states have (on average 1.281620957838723) internal successors, (3131), 2510 states have internal predecessors, (3131), 1355 states have call successors, (1355), 324 states have call predecessors, (1355), 320 states have return successors, (1356), 1330 states have call predecessors, (1356), 1355 states have call successors, (1356) [2022-11-25 23:24:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 4119 states and 5842 transitions. [2022-11-25 23:24:21,833 INFO L78 Accepts]: Start accepts. Automaton has 4119 states and 5842 transitions. Word has length 272 [2022-11-25 23:24:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:21,836 INFO L495 AbstractCegarLoop]: Abstraction has 4119 states and 5842 transitions. [2022-11-25 23:24:21,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 23:24:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 5842 transitions. [2022-11-25 23:24:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-25 23:24:21,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:21,847 INFO L195 NwaCegarLoop]: trace histogram [14, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:21,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:24:21,847 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:21,848 INFO L85 PathProgramCache]: Analyzing trace with hash -412864087, now seen corresponding path program 1 times [2022-11-25 23:24:21,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:21,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419733152] [2022-11-25 23:24:21,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:21,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-11-25 23:24:22,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:22,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419733152] [2022-11-25 23:24:22,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419733152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:22,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:22,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:22,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79154415] [2022-11-25 23:24:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:22,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:22,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:22,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:22,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:22,692 INFO L87 Difference]: Start difference. First operand 4119 states and 5842 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:24:25,971 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 [] [2022-11-25 23:24:29,296 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 [] [2022-11-25 23:24:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:30,525 INFO L93 Difference]: Finished difference Result 9232 states and 13073 transitions. [2022-11-25 23:24:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:24:30,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 277 [2022-11-25 23:24:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:30,567 INFO L225 Difference]: With dead ends: 9232 [2022-11-25 23:24:30,568 INFO L226 Difference]: Without dead ends: 5130 [2022-11-25 23:24:30,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:30,594 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 1262 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1264 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:30,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1264 Valid, 4101 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 632 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-25 23:24:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2022-11-25 23:24:30,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5124. [2022-11-25 23:24:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5124 states, 3045 states have (on average 1.2801313628899835) internal successors, (3898), 3129 states have internal predecessors, (3898), 1663 states have call successors, (1663), 420 states have call predecessors, (1663), 415 states have return successors, (1664), 1631 states have call predecessors, (1664), 1663 states have call successors, (1664) [2022-11-25 23:24:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7225 transitions. [2022-11-25 23:24:30,936 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 7225 transitions. Word has length 277 [2022-11-25 23:24:30,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:30,938 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 7225 transitions. [2022-11-25 23:24:30,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:24:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 7225 transitions. [2022-11-25 23:24:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-11-25 23:24:30,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:30,950 INFO L195 NwaCegarLoop]: trace histogram [18, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:30,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:24:30,950 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:30,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:30,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2129513524, now seen corresponding path program 1 times [2022-11-25 23:24:30,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:30,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862354173] [2022-11-25 23:24:30,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2022-11-25 23:24:37,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:37,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862354173] [2022-11-25 23:24:37,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862354173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:37,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:37,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:24:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451992228] [2022-11-25 23:24:37,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:37,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:24:37,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:24:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:24:37,704 INFO L87 Difference]: Start difference. First operand 5124 states and 7225 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-25 23:24:43,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:48,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:24:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:24:50,351 INFO L93 Difference]: Finished difference Result 6388 states and 8955 transitions. [2022-11-25 23:24:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:24:50,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 337 [2022-11-25 23:24:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:24:50,399 INFO L225 Difference]: With dead ends: 6388 [2022-11-25 23:24:50,400 INFO L226 Difference]: Without dead ends: 6386 [2022-11-25 23:24:50,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:24:50,406 INFO L413 NwaCegarLoop]: 1914 mSDtfsCounter, 1054 mSDsluCounter, 6725 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 8639 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:24:50,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 8639 Invalid, 1784 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1779 Invalid, 2 Unknown, 0 Unchecked, 11.9s Time] [2022-11-25 23:24:50,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6386 states. [2022-11-25 23:24:51,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6386 to 6313. [2022-11-25 23:24:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6313 states, 3761 states have (on average 1.272002127093858) internal successors, (4784), 3873 states have internal predecessors, (4784), 2023 states have call successors, (2023), 539 states have call predecessors, (2023), 528 states have return successors, (2032), 1970 states have call predecessors, (2032), 2023 states have call successors, (2032) [2022-11-25 23:24:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6313 states to 6313 states and 8839 transitions. [2022-11-25 23:24:51,182 INFO L78 Accepts]: Start accepts. Automaton has 6313 states and 8839 transitions. Word has length 337 [2022-11-25 23:24:51,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:24:51,184 INFO L495 AbstractCegarLoop]: Abstraction has 6313 states and 8839 transitions. [2022-11-25 23:24:51,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-25 23:24:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 6313 states and 8839 transitions. [2022-11-25 23:24:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-11-25 23:24:51,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:24:51,209 INFO L195 NwaCegarLoop]: trace histogram [19, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:24:51,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:24:51,209 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:24:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:24:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash -828239955, now seen corresponding path program 1 times [2022-11-25 23:24:51,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:24:51,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178525669] [2022-11-25 23:24:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:24:51,381 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:24:51,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427479658] [2022-11-25 23:24:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:24:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:24:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:51,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:24:51,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:24:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:24:53,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 4222 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:24:53,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:24:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2022-11-25 23:24:53,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:24:53,363 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:24:53,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178525669] [2022-11-25 23:24:53,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:24:53,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427479658] [2022-11-25 23:24:53,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427479658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:24:53,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:24:53,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:24:53,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412122419] [2022-11-25 23:24:53,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:24:53,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:24:53,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:24:53,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:24:53,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:24:53,367 INFO L87 Difference]: Start difference. First operand 6313 states and 8839 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:24:56,804 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 [] [2022-11-25 23:24:59,735 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 [] [2022-11-25 23:25:01,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:01,450 INFO L93 Difference]: Finished difference Result 14143 states and 19798 transitions. [2022-11-25 23:25:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:01,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 410 [2022-11-25 23:25:01,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:01,508 INFO L225 Difference]: With dead ends: 14143 [2022-11-25 23:25:01,508 INFO L226 Difference]: Without dead ends: 7865 [2022-11-25 23:25:01,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:01,544 INFO L413 NwaCegarLoop]: 2634 mSDtfsCounter, 1312 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 4208 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:01,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 4208 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 654 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-25 23:25:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7865 states. [2022-11-25 23:25:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7865 to 7859. [2022-11-25 23:25:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7859 states, 4674 states have (on average 1.267864783910997) internal successors, (5926), 4813 states have internal predecessors, (5926), 2512 states have call successors, (2512), 690 states have call predecessors, (2512), 672 states have return successors, (2521), 2443 states have call predecessors, (2521), 2512 states have call successors, (2521) [2022-11-25 23:25:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7859 states to 7859 states and 10959 transitions. [2022-11-25 23:25:02,343 INFO L78 Accepts]: Start accepts. Automaton has 7859 states and 10959 transitions. Word has length 410 [2022-11-25 23:25:02,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:02,346 INFO L495 AbstractCegarLoop]: Abstraction has 7859 states and 10959 transitions. [2022-11-25 23:25:02,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (61), 3 states have call predecessors, (61), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-25 23:25:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 7859 states and 10959 transitions. [2022-11-25 23:25:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-25 23:25:02,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:02,374 INFO L195 NwaCegarLoop]: trace histogram [19, 12, 12, 9, 9, 9, 9, 9, 9, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:02,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:02,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:02,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:02,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:02,599 INFO L85 PathProgramCache]: Analyzing trace with hash 692259577, now seen corresponding path program 1 times [2022-11-25 23:25:02,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:02,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105089447] [2022-11-25 23:25:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:02,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:02,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:02,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577391363] [2022-11-25 23:25:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:02,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:02,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:02,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:25:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:04,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 4544 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:25:04,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2022-11-25 23:25:04,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:04,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:04,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105089447] [2022-11-25 23:25:04,799 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:04,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577391363] [2022-11-25 23:25:04,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577391363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:04,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:04,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:04,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068694973] [2022-11-25 23:25:04,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:04,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:04,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:04,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:04,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:04,803 INFO L87 Difference]: Start difference. First operand 7859 states and 10959 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-25 23:25:07,890 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 [] [2022-11-25 23:25:10,462 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 [] [2022-11-25 23:25:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:12,118 INFO L93 Difference]: Finished difference Result 17800 states and 24851 transitions. [2022-11-25 23:25:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:12,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 473 [2022-11-25 23:25:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:12,180 INFO L225 Difference]: With dead ends: 17800 [2022-11-25 23:25:12,180 INFO L226 Difference]: Without dead ends: 9976 [2022-11-25 23:25:12,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:12,217 INFO L413 NwaCegarLoop]: 2164 mSDtfsCounter, 1652 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 26 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 3535 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:12,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 3535 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 509 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:25:12,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states. [2022-11-25 23:25:13,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9969. [2022-11-25 23:25:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 5914 states have (on average 1.2707135610415963) internal successors, (7515), 6084 states have internal predecessors, (7515), 3197 states have call successors, (3197), 880 states have call predecessors, (3197), 857 states have return successors, (3206), 3112 states have call predecessors, (3206), 3197 states have call successors, (3206) [2022-11-25 23:25:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 13918 transitions. [2022-11-25 23:25:13,294 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 13918 transitions. Word has length 473 [2022-11-25 23:25:13,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:13,296 INFO L495 AbstractCegarLoop]: Abstraction has 9969 states and 13918 transitions. [2022-11-25 23:25:13,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (73), 3 states have call predecessors, (73), 3 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-25 23:25:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 13918 transitions. [2022-11-25 23:25:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2022-11-25 23:25:13,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:13,328 INFO L195 NwaCegarLoop]: trace histogram [19, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:13,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:13,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:13,545 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:13,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1159488795, now seen corresponding path program 1 times [2022-11-25 23:25:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:13,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971250435] [2022-11-25 23:25:13,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:13,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:13,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377220090] [2022-11-25 23:25:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:13,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:13,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:13,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:25:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:15,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 4486 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:25:15,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-11-25 23:25:15,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:15,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:15,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971250435] [2022-11-25 23:25:15,684 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:15,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377220090] [2022-11-25 23:25:15,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377220090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:15,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:15,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:15,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319640141] [2022-11-25 23:25:15,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:15,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:15,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:15,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:15,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:15,690 INFO L87 Difference]: Start difference. First operand 9969 states and 13918 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 3 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-25 23:25:18,957 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 [] [2022-11-25 23:25:21,308 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 [] [2022-11-25 23:25:23,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:23,334 INFO L93 Difference]: Finished difference Result 22800 states and 31869 transitions. [2022-11-25 23:25:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:23,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 3 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 467 [2022-11-25 23:25:23,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:23,418 INFO L225 Difference]: With dead ends: 22800 [2022-11-25 23:25:23,418 INFO L226 Difference]: Without dead ends: 12866 [2022-11-25 23:25:23,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:23,464 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 1395 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 3732 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:23,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3732 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 590 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-25 23:25:23,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12866 states. [2022-11-25 23:25:24,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12866 to 12860. [2022-11-25 23:25:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12860 states, 7655 states have (on average 1.2705421293272372) internal successors, (9726), 7863 states have internal predecessors, (9726), 4097 states have call successors, (4097), 1133 states have call predecessors, (4097), 1107 states have return successors, (4107), 3995 states have call predecessors, (4107), 4097 states have call successors, (4107) [2022-11-25 23:25:24,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12860 states to 12860 states and 17930 transitions. [2022-11-25 23:25:24,667 INFO L78 Accepts]: Start accepts. Automaton has 12860 states and 17930 transitions. Word has length 467 [2022-11-25 23:25:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:24,669 INFO L495 AbstractCegarLoop]: Abstraction has 12860 states and 17930 transitions. [2022-11-25 23:25:24,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 3 states have call successors, (69), 3 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2022-11-25 23:25:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12860 states and 17930 transitions. [2022-11-25 23:25:24,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-11-25 23:25:24,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:24,697 INFO L195 NwaCegarLoop]: trace histogram [19, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:24,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:24,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:24,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash -663131925, now seen corresponding path program 1 times [2022-11-25 23:25:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:24,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052352502] [2022-11-25 23:25:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:25,074 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:25,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1080638376] [2022-11-25 23:25:25,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:25,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:25,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:25,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:25,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:25:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:27,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 4464 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:25:27,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2022-11-25 23:25:27,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:27,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:27,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052352502] [2022-11-25 23:25:27,171 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:27,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080638376] [2022-11-25 23:25:27,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080638376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:27,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:27,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:25:27,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243670383] [2022-11-25 23:25:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:27,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:25:27,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:25:27,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:25:27,175 INFO L87 Difference]: Start difference. First operand 12860 states and 17930 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (69), 2 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-25 23:25:30,995 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 [] [2022-11-25 23:25:33,200 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 [] [2022-11-25 23:25:36,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:36,419 INFO L93 Difference]: Finished difference Result 25715 states and 35859 transitions. [2022-11-25 23:25:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:25:36,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (69), 2 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) Word has length 464 [2022-11-25 23:25:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:36,517 INFO L225 Difference]: With dead ends: 25715 [2022-11-25 23:25:36,517 INFO L226 Difference]: Without dead ends: 12890 [2022-11-25 23:25:36,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:25:36,581 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 13 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 6516 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:36,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 6516 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 928 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 23:25:36,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12890 states. [2022-11-25 23:25:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12890 to 12876. [2022-11-25 23:25:37,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12876 states, 7667 states have (on average 1.2701186904917177) internal successors, (9738), 7875 states have internal predecessors, (9738), 4097 states have call successors, (4097), 1133 states have call predecessors, (4097), 1111 states have return successors, (4114), 3999 states have call predecessors, (4114), 4097 states have call successors, (4114) [2022-11-25 23:25:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12876 states to 12876 states and 17949 transitions. [2022-11-25 23:25:37,961 INFO L78 Accepts]: Start accepts. Automaton has 12876 states and 17949 transitions. Word has length 464 [2022-11-25 23:25:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:37,962 INFO L495 AbstractCegarLoop]: Abstraction has 12876 states and 17949 transitions. [2022-11-25 23:25:37,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 4 states have internal predecessors, (185), 2 states have call successors, (69), 2 states have call predecessors, (69), 3 states have return successors, (63), 3 states have call predecessors, (63), 2 states have call successors, (63) [2022-11-25 23:25:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 12876 states and 17949 transitions. [2022-11-25 23:25:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-11-25 23:25:37,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:37,992 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:38,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-25 23:25:38,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 23:25:38,210 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:38,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:38,211 INFO L85 PathProgramCache]: Analyzing trace with hash 37117735, now seen corresponding path program 1 times [2022-11-25 23:25:38,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:38,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533041945] [2022-11-25 23:25:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:38,384 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:38,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253294753] [2022-11-25 23:25:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:38,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:38,386 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:38,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:25:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:40,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:25:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2022-11-25 23:25:40,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:40,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:40,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533041945] [2022-11-25 23:25:40,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:40,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253294753] [2022-11-25 23:25:40,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253294753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:40,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:40,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:25:40,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648333542] [2022-11-25 23:25:40,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:40,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:25:40,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:40,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:25:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:25:40,397 INFO L87 Difference]: Start difference. First operand 12876 states and 17949 transitions. Second operand has 6 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 3 states have call successors, (72), 2 states have call predecessors, (72), 3 states have return successors, (66), 4 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-25 23:25:44,861 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 [] [2022-11-25 23:25:46,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:48,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:50,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:52,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:54,661 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 [] [2022-11-25 23:25:57,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:57,742 INFO L93 Difference]: Finished difference Result 25822 states and 36147 transitions. [2022-11-25 23:25:57,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:25:57,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 3 states have call successors, (72), 2 states have call predecessors, (72), 3 states have return successors, (66), 4 states have call predecessors, (66), 3 states have call successors, (66) Word has length 476 [2022-11-25 23:25:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:57,820 INFO L225 Difference]: With dead ends: 25822 [2022-11-25 23:25:57,820 INFO L226 Difference]: Without dead ends: 12981 [2022-11-25 23:25:57,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:25:57,874 INFO L413 NwaCegarLoop]: 1641 mSDtfsCounter, 21 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 8157 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:57,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 8157 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1166 Invalid, 4 Unknown, 0 Unchecked, 16.6s Time] [2022-11-25 23:25:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12981 states. [2022-11-25 23:25:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12981 to 12936. [2022-11-25 23:25:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12936 states, 7712 states have (on average 1.268542531120332) internal successors, (9783), 7920 states have internal predecessors, (9783), 4097 states have call successors, (4097), 1133 states have call predecessors, (4097), 1126 states have return successors, (4192), 4014 states have call predecessors, (4192), 4097 states have call successors, (4192) [2022-11-25 23:25:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12936 states to 12936 states and 18072 transitions. [2022-11-25 23:25:59,124 INFO L78 Accepts]: Start accepts. Automaton has 12936 states and 18072 transitions. Word has length 476 [2022-11-25 23:25:59,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:59,125 INFO L495 AbstractCegarLoop]: Abstraction has 12936 states and 18072 transitions. [2022-11-25 23:25:59,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 5 states have internal predecessors, (195), 3 states have call successors, (72), 2 states have call predecessors, (72), 3 states have return successors, (66), 4 states have call predecessors, (66), 3 states have call successors, (66) [2022-11-25 23:25:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12936 states and 18072 transitions. [2022-11-25 23:25:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-11-25 23:25:59,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:59,158 INFO L195 NwaCegarLoop]: trace histogram [20, 13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:59,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:59,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:59,372 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:59,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:59,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1821855407, now seen corresponding path program 1 times [2022-11-25 23:25:59,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:59,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619013323] [2022-11-25 23:25:59,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:59,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:59,760 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:59,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1217517861] [2022-11-25 23:25:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:59,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:59,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:59,763 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:59,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb243aa-cb3b-4c5d-849a-ed490fbbc62a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 23:26:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:01,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 4669 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:26:01,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:26:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 184 proven. 1 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-11-25 23:26:01,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:26:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-11-25 23:26:02,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:02,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619013323] [2022-11-25 23:26:02,616 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:26:02,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217517861] [2022-11-25 23:26:02,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217517861] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:26:02,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1393950709] [2022-11-25 23:26:02,667 INFO L159 IcfgInterpreter]: Started Sifa with 255 locations of interest [2022-11-25 23:26:02,667 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:26:02,675 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:26:02,683 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:26:02,683 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs