./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 --- 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 17:00:17,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:00:17,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:00:17,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:00:17,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:00:17,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:00:17,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:00:17,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:00:17,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:00:17,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:00:17,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:00:17,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:00:17,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:00:17,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:00:17,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:00:17,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:00:17,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:00:17,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:00:17,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:00:17,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:00:17,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:00:17,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:00:18,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:00:18,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:00:18,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:00:18,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:00:18,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:00:18,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:00:18,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:00:18,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:00:18,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:00:18,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:00:18,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:00:18,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:00:18,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:00:18,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:00:18,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:00:18,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:00:18,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:00:18,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:00:18,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:00:18,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:00:18,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:00:18,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:00:18,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:00:18,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:00:18,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:00:18,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:00:18,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:00:18,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:00:18,071 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:00:18,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:00:18,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:00:18,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:00:18,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:00:18,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:00:18,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:00:18,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:00:18,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:00:18,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:00:18,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:00:18,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:00:18,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:00:18,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:18,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:00:18,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:00:18,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:00:18,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:00:18,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:00:18,077 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:00:18,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:00:18,077 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:00:18,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:00:18,078 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29069a6562e86cf14ec2af6e66fde431300c67391fef8a4bef75c88d837db303 [2022-11-25 17:00:18,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:00:18,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:00:18,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:00:18,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:00:18,395 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:00:18,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-11-25 17:00:21,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:00:22,206 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:00:22,207 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-11-25 17:00:22,287 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/data/019678b1a/993a212e3a6d49f78825ef04a89674aa/FLAG3c0204fe0 [2022-11-25 17:00:22,311 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/data/019678b1a/993a212e3a6d49f78825ef04a89674aa [2022-11-25 17:00:22,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:00:22,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:00:22,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:22,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:00:22,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:00:22,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:22" (1/1) ... [2022-11-25 17:00:22,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3690b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:22, skipping insertion in model container [2022-11-25 17:00:22,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:00:22" (1/1) ... [2022-11-25 17:00:22,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:00:22,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:00:23,338 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_f0fd123b-78ec-44ea-b499-34849e659aa3/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2022-11-25 17:00:23,474 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:00:23,482 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:23,548 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,549 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,550 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,558 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,603 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:00:23,616 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:00:23,722 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,723 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,724 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:23,724 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,048 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:24,049 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:24,050 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:24,080 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:24,082 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-11-25 17:00:24,095 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:24,111 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 17:00:24,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 17:00:24,195 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 17:00:24,210 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 17:00:24,211 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,212 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,213 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,213 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,216 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:24,409 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 17:00:24,423 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:00:24,451 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 17:00:24,467 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:24,565 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 17:00:24,566 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 17:00:24,620 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:00:24,621 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:00:24,622 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:00:24,629 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:00:24,636 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:00:24,643 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:00:24,648 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 17:00:24,677 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:00:24,683 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:24,684 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:00:24,690 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:00:24,696 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:00:24,894 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:00:24,959 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 17:00:25,197 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:00:25,266 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:00:25,267 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,312 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:00:25,324 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:25,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:25,360 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:00:25,365 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:00:25,473 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:00:25,520 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 17:00:25,539 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 17:00:25,539 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,540 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:25,541 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,556 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:00:25,560 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:00:25,566 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:00:25,575 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-11-25 17:00:25,578 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:25,579 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,580 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-11-25 17:00:25,581 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:25,581 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,589 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:25,596 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:25,598 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 17:00:25,601 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:25,642 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:25,656 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 17:00:25,682 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-25 17:00:25,683 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:25,685 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-11-25 17:00:25,685 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,692 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:00:25,693 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:00:25,708 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:25,708 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 17:00:25,715 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,733 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 17:00:25,746 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,760 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,766 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 17:00:25,767 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 17:00:25,773 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,787 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,796 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:25,803 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,806 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,807 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:25,808 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:00:25,808 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,816 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:00:25,817 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:00:25,837 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:25,857 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:25,876 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 17:00:25,876 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:25,877 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:25,878 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 17:00:25,884 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,886 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-25 17:00:25,911 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,957 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,957 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:25,958 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:25,970 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:00:25,971 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:25,973 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 17:00:25,973 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:25,979 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 17:00:25,979 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:25,980 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:25,980 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:25,982 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:00:25,993 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 17:00:25,994 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 17:00:26,000 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:00:26,001 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,007 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:26,007 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,008 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:26,016 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,016 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:00:26,022 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,023 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,023 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,047 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:26,048 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,049 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:00:26,051 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:26,052 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:00:26,056 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:00:26,058 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,059 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,059 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,060 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,061 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:00:26,062 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:00:26,062 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:00:26,063 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:00:26,064 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:26,065 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,065 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,065 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,066 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:00:26,066 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,073 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:00:26,073 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:00:26,073 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 17:00:26,074 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,074 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,074 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,075 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,075 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:00:26,075 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,082 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:26,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:26,083 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:00:26,089 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:00:26,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 17:00:26,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 17:00:26,148 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_6 [2022-11-25 17:00:26,149 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-11-25 17:00:26,149 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-11-25 17:00:26,150 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_6 [2022-11-25 17:00:26,156 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_7 [2022-11-25 17:00:26,156 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_7 [2022-11-25 17:00:26,161 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,162 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,162 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,162 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,162 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,163 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,163 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,166 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:00:26,166 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,167 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:00:26,167 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,168 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,168 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:00:26,168 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:00:26,169 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:00:26,169 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:00:26,170 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:00:26,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,250 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,251 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,252 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,268 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:26,380 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:00:26,512 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_f0fd123b-78ec-44ea-b499-34849e659aa3/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i[183631,183644] [2022-11-25 17:00:26,520 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 17:00:26,521 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,533 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,534 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,535 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,535 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,536 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:00:26,537 WARN L623 FunctionHandler]: Unknown extern function __udelay [2022-11-25 17:00:26,547 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,548 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,548 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,548 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,559 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:26,559 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:26,560 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 17:00:26,562 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,563 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-11-25 17:00:26,565 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:26,567 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-11-25 17:00:26,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 17:00:26,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u32 [2022-11-25 17:00:26,581 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 17:00:26,582 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,582 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,583 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,583 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,583 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,586 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 17:00:26,587 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-11-25 17:00:26,587 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 17:00:26,588 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,593 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-11-25 17:00:26,593 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-11-25 17:00:26,598 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:00:26,599 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 17:00:26,600 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:00:26,601 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:00:26,602 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 17:00:26,604 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 17:00:26,604 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 17:00:26,608 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 17:00:26,609 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:26,609 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 17:00:26,610 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 17:00:26,610 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 17:00:26,616 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 17:00:26,618 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-11-25 17:00:26,621 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 17:00:26,623 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:00:26,623 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,625 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 17:00:26,626 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:26,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:26,627 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 17:00:26,627 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 17:00:26,634 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 17:00:26,640 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-11-25 17:00:26,654 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 17:00:26,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,657 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,657 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,661 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:00:26,661 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 17:00:26,664 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 17:00:26,666 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-11-25 17:00:26,672 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:26,672 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,673 WARN L623 FunctionHandler]: Unknown extern function vzalloc [2022-11-25 17:00:26,752 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:26,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,762 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:26,769 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,770 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 17:00:26,773 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-11-25 17:00:26,788 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:26,791 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 17:00:26,796 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-11-25 17:00:26,797 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,798 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-11-25 17:00:26,798 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,799 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:00:26,800 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 17:00:26,804 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,804 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 17:00:26,805 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,813 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 17:00:26,815 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,816 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,817 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 17:00:26,818 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 17:00:26,819 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,822 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,831 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,832 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:26,832 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 17:00:26,833 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,836 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:00:26,836 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 17:00:26,841 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:26,850 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,854 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 17:00:26,854 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,855 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:26,856 WARN L623 FunctionHandler]: Unknown extern function round_jiffies [2022-11-25 17:00:26,857 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,858 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-11-25 17:00:26,868 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,877 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,877 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 17:00:26,878 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,880 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:00:26,880 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 17:00:26,881 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 17:00:26,881 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,882 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 17:00:26,882 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:26,883 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,883 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:26,884 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:00:26,885 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 17:00:26,885 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 17:00:26,886 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 17:00:26,886 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,887 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:26,887 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,887 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:26,888 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,888 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 17:00:26,889 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,889 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,890 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,892 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-11-25 17:00:26,892 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 17:00:26,893 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 17:00:26,893 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 17:00:26,893 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 17:00:26,903 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 17:00:26,904 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,905 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,905 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,906 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-25 17:00:26,907 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:00:26,907 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:00:26,908 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 17:00:26,908 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 17:00:26,910 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 17:00:26,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,910 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,911 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,911 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:00:26,911 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,912 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:00:26,913 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 17:00:26,913 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-11-25 17:00:26,913 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,914 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 17:00:26,914 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,914 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-11-25 17:00:26,915 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 17:00:26,915 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 17:00:26,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:26,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 17:00:26,917 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 17:00:26,918 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 17:00:26,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 17:00:26,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_u16 [2022-11-25 17:00:26,932 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_6 [2022-11-25 17:00:26,932 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-11-25 17:00:26,933 WARN L623 FunctionHandler]: Unknown extern function ldv_release_6 [2022-11-25 17:00:26,933 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_6 [2022-11-25 17:00:26,937 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_7 [2022-11-25 17:00:26,938 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_7 [2022-11-25 17:00:26,942 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,942 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,943 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,943 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,943 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,943 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 17:00:26,944 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,946 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 17:00:26,946 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,947 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:00:26,947 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,948 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-25 17:00:26,948 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 17:00:26,949 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:00:26,949 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 17:00:26,949 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 17:00:26,950 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 17:00:26,955 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,959 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,961 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,961 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 17:00:26,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:00:27,242 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:00:27,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27 WrapperNode [2022-11-25 17:00:27,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:00:27,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:27,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:00:27,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:00:27,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,656 INFO L138 Inliner]: procedures = 458, calls = 3206, calls flagged for inlining = 222, calls inlined = 195, statements flattened = 7538 [2022-11-25 17:00:27,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:00:27,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:00:27,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:00:27,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:00:27,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:27,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:28,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:28,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:00:28,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:00:28,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:00:28,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:00:28,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (1/1) ... [2022-11-25 17:00:28,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:00:28,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:00:28,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:00:28,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:00:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-25 17:00:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-25 17:00:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 17:00:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 17:00:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 17:00:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 17:00:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:00:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:00:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-25 17:00:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-25 17:00:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_function_pointers_vf [2022-11-25 17:00:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_function_pointers_vf [2022-11-25 17:00:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-25 17:00:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-25 17:00:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 17:00:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 17:00:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 17:00:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 17:00:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 17:00:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 17:00:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_alloc_rx_buffers [2022-11-25 17:00:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_alloc_rx_buffers [2022-11-25 17:00:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 17:00:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 17:00:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_mac_addr_vf [2022-11-25 17:00:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_mac_addr_vf [2022-11-25 17:00:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 17:00:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 17:00:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw_vf [2022-11-25 17:00:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw_vf [2022-11-25 17:00:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_maybe_stop_tx [2022-11-25 17:00:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_maybe_stop_tx [2022-11-25 17:00:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_mac [2022-11-25 17:00:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_mac [2022-11-25 17:00:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 17:00:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 17:00:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 17:00:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 17:00:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 17:00:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_irq [2022-11-25 17:00:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_irq [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 17:00:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_suspend [2022-11-25 17:00:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_suspend [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:00:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_ioctl [2022-11-25 17:00:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_ioctl [2022-11-25 17:00:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-25 17:00:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-25 17:00:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 17:00:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 17:00:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 17:00:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 17:00:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 17:00:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 17:00:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:00:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_assign_vector [2022-11-25 17:00:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_assign_vector [2022-11-25 17:00:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 17:00:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 17:00:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 17:00:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_change_mtu [2022-11-25 17:00:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_change_mtu [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_desc_unused [2022-11-25 17:00:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_desc_unused [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-25 17:00:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_error_detected [2022-11-25 17:00:28,292 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_error_detected [2022-11-25 17:00:28,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:00:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_netpoll [2022-11-25 17:00:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_netpoll [2022-11-25 17:00:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 17:00:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 17:00:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-25 17:00:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-25 17:00:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset_interrupt_capability [2022-11-25 17:00:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset_interrupt_capability [2022-11-25 17:00:28,293 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-25 17:00:28,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-25 17:00:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:00:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:00:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_msg_vf [2022-11-25 17:00:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_msg_vf [2022-11-25 17:00:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-25 17:00:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-25 17:00:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_tx_resources [2022-11-25 17:00:28,294 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_tx_resources [2022-11-25 17:00:28,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-25 17:00:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-25 17:00:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_3 [2022-11-25 17:00:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_3 [2022-11-25 17:00:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-25 17:00:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-25 17:00:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 17:00:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 17:00:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-25 17:00:28,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-25 17:00:28,295 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-25 17:00:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-25 17:00:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-25 17:00:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure_msix [2022-11-25 17:00:28,296 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure_msix [2022-11-25 17:00:28,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:00:28,297 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 17:00:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 17:00:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:00:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-25 17:00:28,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-25 17:00:28,298 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reset [2022-11-25 17:00:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reset [2022-11-25 17:00:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_posted_mbx [2022-11-25 17:00:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_posted_mbx [2022-11-25 17:00:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-25 17:00:28,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-25 17:00:28,299 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_enable [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_enable [2022-11-25 17:00:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 17:00:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 17:00:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_reinit_locked [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_reinit_locked [2022-11-25 17:00:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 17:00:28,300 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_update_stats [2022-11-25 17:00:28,300 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_update_stats [2022-11-25 17:00:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_add_vid [2022-11-25 17:00:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_add_vid [2022-11-25 17:00:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 17:00:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 17:00:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 17:00:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 17:00:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_bit_vf [2022-11-25 17:00:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_bit_vf [2022-11-25 17:00:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_hw_vf [2022-11-25 17:00:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_hw_vf [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:00:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-25 17:00:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_ack [2022-11-25 17:00:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_ack [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 17:00:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:00:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:00:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 17:00:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 17:00:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:00:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-25 17:00:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set_vf [2022-11-25 17:00:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set_vf [2022-11-25 17:00:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-25 17:00:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-25 17:00:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 17:00:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 17:00:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_down [2022-11-25 17:00:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_down [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_regs_len [2022-11-25 17:00:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_regs_len [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-25 17:00:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 17:00:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 17:00:28,304 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_irq [2022-11-25 17:00:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_irq [2022-11-25 17:00:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-25 17:00:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-25 17:00:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 17:00:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 17:00:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link_vf [2022-11-25 17:00:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link_vf [2022-11-25 17:00:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 17:00:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 17:00:28,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 17:00:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 17:00:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 17:00:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 17:00:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 17:00:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 17:00:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_tx_ring [2022-11-25 17:00:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_tx_ring [2022-11-25 17:00:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_v2p_mailbox [2022-11-25 17:00:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_v2p_mailbox [2022-11-25 17:00:28,306 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_3 [2022-11-25 17:00:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_3 [2022-11-25 17:00:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 17:00:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 17:00:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-25 17:00:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-25 17:00:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-25 17:00:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-25 17:00:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-25 17:00:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-25 17:00:28,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:00:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 17:00:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 17:00:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_remove [2022-11-25 17:00:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_remove [2022-11-25 17:00:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 17:00:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 17:00:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 17:00:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 17:00:28,308 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_irq_disable [2022-11-25 17:00:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_irq_disable [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-25 17:00:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_slot_reset [2022-11-25 17:00:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_slot_reset [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_configure [2022-11-25 17:00:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_configure [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_rx_resources [2022-11-25 17:00:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_rx_resources [2022-11-25 17:00:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_clean_rx_ring [2022-11-25 17:00:28,309 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_clean_rx_ring [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-25 17:00:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_obtain_mbx_lock_vf [2022-11-25 17:00:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_obtain_mbx_lock_vf [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-25 17:00:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_ack_vf [2022-11-25 17:00:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_ack_vf [2022-11-25 17:00:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 17:00:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 17:00:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 17:00:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 17:00:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 17:00:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 17:00:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_request_irq [2022-11-25 17:00:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_request_irq [2022-11-25 17:00:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 17:00:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 17:00:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 17:00:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 17:00:28,312 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_put_txbuf [2022-11-25 17:00:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_put_txbuf [2022-11-25 17:00:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-25 17:00:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-11-25 17:00:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_poll_for_msg [2022-11-25 17:00:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_poll_for_msg [2022-11-25 17:00:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-25 17:00:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-25 17:00:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-25 17:00:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-25 17:00:28,313 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 17:00:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 17:00:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-25 17:00:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-25 17:00:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_shutdown [2022-11-25 17:00:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_shutdown [2022-11-25 17:00:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-25 17:00:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-25 17:00:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 17:00:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-11-25 17:00:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-25 17:00:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_setup_tx_resources [2022-11-25 17:00:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_setup_tx_resources [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 17:00:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_eeprom_len [2022-11-25 17:00:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_eeprom_len [2022-11-25 17:00:28,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_get_stats [2022-11-25 17:00:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_get_stats [2022-11-25 17:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-25 17:00:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~bool~0~TO~~s32~0 [2022-11-25 17:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 17:00:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 17:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_vlan_rx_kill_vid [2022-11-25 17:00:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_vlan_rx_kill_vid [2022-11-25 17:00:28,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-25 17:00:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-25 17:00:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 17:00:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 17:00:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 17:00:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 17:00:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-25 17:00:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-25 17:00:28,317 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_io_resume [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_io_resume [2022-11-25 17:00:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 17:00:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-11-25 17:00:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-25 17:00:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_free_rx_resources [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_free_rx_resources [2022-11-25 17:00:28,318 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_features [2022-11-25 17:00:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_features [2022-11-25 17:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_set_multi [2022-11-25 17:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_set_multi [2022-11-25 17:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_tx_timeout [2022-11-25 17:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_tx_timeout [2022-11-25 17:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 17:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 17:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 17:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-25 17:00:28,319 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_posted_mbx [2022-11-25 17:00:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_posted_mbx [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-25 17:00:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure igbvf_up [2022-11-25 17:00:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure igbvf_up [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 17:00:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-25 17:00:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-25 17:00:28,320 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 17:00:29,623 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:00:29,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:00:30,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 17:00:38,062 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:00:38,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:00:38,093 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 17:00:38,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:38 BoogieIcfgContainer [2022-11-25 17:00:38,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:00:38,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:00:38,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:00:38,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:00:38,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:00:22" (1/3) ... [2022-11-25 17:00:38,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dc44e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:38, skipping insertion in model container [2022-11-25 17:00:38,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:00:27" (2/3) ... [2022-11-25 17:00:38,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42dc44e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:00:38, skipping insertion in model container [2022-11-25 17:00:38,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:00:38" (3/3) ... [2022-11-25 17:00:38,111 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--intel--igbvf--igbvf.ko-entry_point.cil.out.i [2022-11-25 17:00:38,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:00:38,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:00:38,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:00:38,268 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f25cb3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:00:38,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:00:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 2789 states, 1924 states have (on average 1.3206860706860706) internal successors, (2541), 1984 states have internal predecessors, (2541), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) [2022-11-25 17:00:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 17:00:38,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:00:38,321 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:38,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:00:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:00:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1750363497, now seen corresponding path program 1 times [2022-11-25 17:00:38,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:00:38,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135775328] [2022-11-25 17:00:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:00:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:00:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:00:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:00:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:00:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:00:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:00:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:00:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:00:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:00:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:00:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:00:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:00:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:00:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-25 17:00:39,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:00:39,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135775328] [2022-11-25 17:00:39,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135775328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:00:39,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:00:39,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:00:39,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796926374] [2022-11-25 17:00:39,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:00:39,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:00:39,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:00:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:00:39,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:00:39,571 INFO L87 Difference]: Start difference. First operand has 2789 states, 1924 states have (on average 1.3206860706860706) internal successors, (2541), 1984 states have internal predecessors, (2541), 709 states have call successors, (709), 155 states have call predecessors, (709), 154 states have return successors, (694), 680 states have call predecessors, (694), 694 states have call successors, (694) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:00:42,819 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 17:01:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:01,128 INFO L93 Difference]: Finished difference Result 9133 states and 13431 transitions. [2022-11-25 17:01:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:01:01,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-11-25 17:01:01,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:01,214 INFO L225 Difference]: With dead ends: 9133 [2022-11-25 17:01:01,214 INFO L226 Difference]: Without dead ends: 6295 [2022-11-25 17:01:01,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:01:01,245 INFO L413 NwaCegarLoop]: 3545 mSDtfsCounter, 7012 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 6256 mSolverCounterSat, 4345 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7465 SdHoareTripleChecker+Valid, 9170 SdHoareTripleChecker+Invalid, 10602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4345 IncrementalHoareTripleChecker+Valid, 6256 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:01,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7465 Valid, 9170 Invalid, 10602 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4345 Valid, 6256 Invalid, 1 Unknown, 0 Unchecked, 20.4s Time] [2022-11-25 17:01:01,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2022-11-25 17:01:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 5481. [2022-11-25 17:01:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5481 states, 3802 states have (on average 1.3058916359810626) internal successors, (4965), 3888 states have internal predecessors, (4965), 1368 states have call successors, (1368), 307 states have call predecessors, (1368), 310 states have return successors, (1427), 1343 states have call predecessors, (1427), 1367 states have call successors, (1427) [2022-11-25 17:01:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5481 states to 5481 states and 7760 transitions. [2022-11-25 17:01:01,794 INFO L78 Accepts]: Start accepts. Automaton has 5481 states and 7760 transitions. Word has length 91 [2022-11-25 17:01:01,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:01,797 INFO L495 AbstractCegarLoop]: Abstraction has 5481 states and 7760 transitions. [2022-11-25 17:01:01,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 17:01:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5481 states and 7760 transitions. [2022-11-25 17:01:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 17:01:01,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:01,810 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:01,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:01:01,811 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:01,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:01,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1037000794, now seen corresponding path program 1 times [2022-11-25 17:01:01,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:01,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012337535] [2022-11-25 17:01:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:01:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:01:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:01:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:01:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:01:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:01:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:01:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:01:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:01:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:01:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:01:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:03,234 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-25 17:01:03,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:03,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012337535] [2022-11-25 17:01:03,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012337535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:03,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:03,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:01:03,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116902245] [2022-11-25 17:01:03,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:03,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:01:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:01:03,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:01:03,243 INFO L87 Difference]: Start difference. First operand 5481 states and 7760 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:01:06,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:07,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:08,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:10,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:01:32,420 INFO L93 Difference]: Finished difference Result 12555 states and 18411 transitions. [2022-11-25 17:01:32,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 17:01:32,420 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-11-25 17:01:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:01:32,512 INFO L225 Difference]: With dead ends: 12555 [2022-11-25 17:01:32,513 INFO L226 Difference]: Without dead ends: 12547 [2022-11-25 17:01:32,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:01:32,522 INFO L413 NwaCegarLoop]: 3585 mSDtfsCounter, 6979 mSDsluCounter, 11222 mSDsCounter, 0 mSdLazyCounter, 10565 mSolverCounterSat, 4256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7423 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 14821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4256 IncrementalHoareTripleChecker+Valid, 10565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:01:32,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7423 Valid, 14807 Invalid, 14821 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4256 Valid, 10565 Invalid, 0 Unknown, 0 Unchecked, 28.1s Time] [2022-11-25 17:01:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12547 states. [2022-11-25 17:01:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12547 to 10967. [2022-11-25 17:01:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10967 states, 7604 states have (on average 1.306154655444503) internal successors, (9932), 7784 states have internal predecessors, (9932), 2730 states have call successors, (2730), 613 states have call predecessors, (2730), 632 states have return successors, (2945), 2681 states have call predecessors, (2945), 2729 states have call successors, (2945) [2022-11-25 17:01:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10967 states to 10967 states and 15607 transitions. [2022-11-25 17:01:33,233 INFO L78 Accepts]: Start accepts. Automaton has 10967 states and 15607 transitions. Word has length 93 [2022-11-25 17:01:33,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:01:33,234 INFO L495 AbstractCegarLoop]: Abstraction has 10967 states and 15607 transitions. [2022-11-25 17:01:33,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:01:33,235 INFO L276 IsEmpty]: Start isEmpty. Operand 10967 states and 15607 transitions. [2022-11-25 17:01:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-11-25 17:01:33,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:01:33,291 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:01:33,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:01:33,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:01:33,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:01:33,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2024193942, now seen corresponding path program 1 times [2022-11-25 17:01:33,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:01:33,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030428079] [2022-11-25 17:01:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:01:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:01:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:01:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:01:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:01:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:01:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:01:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:01:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:01:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:01:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:01:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:01:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:01:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-25 17:01:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:01:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:01:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:01:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:01:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:01:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:01:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:01:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:01:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:01:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-25 17:01:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:01:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-25 17:01:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-25 17:01:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-25 17:01:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:01:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:01:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-25 17:01:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-25 17:01:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:01:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:01:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-25 17:01:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:01:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-25 17:01:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:35,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:01:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:01:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:01:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-25 17:01:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-25 17:01:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:01:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:01:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:01:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:01:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:01:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:01:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-25 17:01:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:01:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-11-25 17:01:36,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:01:36,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030428079] [2022-11-25 17:01:36,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030428079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:01:36,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:01:36,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-11-25 17:01:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270754052] [2022-11-25 17:01:36,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:01:36,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:01:36,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:01:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:01:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:01:36,234 INFO L87 Difference]: Start difference. First operand 10967 states and 15607 transitions. Second operand has 15 states, 14 states have (on average 14.642857142857142) internal successors, (205), 7 states have internal predecessors, (205), 3 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-25 17:01:39,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:41,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:43,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:44,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:45,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:47,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:49,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:01:51,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:12,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:13,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:02:41,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:41,811 INFO L93 Difference]: Finished difference Result 36661 states and 53786 transitions. [2022-11-25 17:02:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 17:02:41,812 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 14.642857142857142) internal successors, (205), 7 states have internal predecessors, (205), 3 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) Word has length 374 [2022-11-25 17:02:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:42,005 INFO L225 Difference]: With dead ends: 36661 [2022-11-25 17:02:42,005 INFO L226 Difference]: Without dead ends: 25721 [2022-11-25 17:02:42,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=365, Invalid=1041, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 17:02:42,073 INFO L413 NwaCegarLoop]: 2432 mSDtfsCounter, 9836 mSDsluCounter, 16692 mSDsCounter, 0 mSdLazyCounter, 31976 mSolverCounterSat, 6928 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10621 SdHoareTripleChecker+Valid, 19124 SdHoareTripleChecker+Invalid, 38906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6928 IncrementalHoareTripleChecker+Valid, 31976 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:42,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10621 Valid, 19124 Invalid, 38906 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6928 Valid, 31976 Invalid, 2 Unknown, 0 Unchecked, 62.4s Time] [2022-11-25 17:02:42,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25721 states. [2022-11-25 17:02:43,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25721 to 21641. [2022-11-25 17:02:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21641 states, 15010 states have (on average 1.3045969353764157) internal successors, (19582), 15364 states have internal predecessors, (19582), 5372 states have call successors, (5372), 1213 states have call predecessors, (5372), 1258 states have return successors, (5797), 5277 states have call predecessors, (5797), 5371 states have call successors, (5797) [2022-11-25 17:02:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21641 states to 21641 states and 30751 transitions. [2022-11-25 17:02:44,125 INFO L78 Accepts]: Start accepts. Automaton has 21641 states and 30751 transitions. Word has length 374 [2022-11-25 17:02:44,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:44,127 INFO L495 AbstractCegarLoop]: Abstraction has 21641 states and 30751 transitions. [2022-11-25 17:02:44,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 14.642857142857142) internal successors, (205), 7 states have internal predecessors, (205), 3 states have call successors, (57), 8 states have call predecessors, (57), 3 states have return successors, (56), 4 states have call predecessors, (56), 3 states have call successors, (56) [2022-11-25 17:02:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 21641 states and 30751 transitions. [2022-11-25 17:02:44,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-11-25 17:02:44,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:44,214 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:44,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:02:44,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:02:44,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:44,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1853981034, now seen corresponding path program 1 times [2022-11-25 17:02:44,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:44,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836106638] [2022-11-25 17:02:44,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:44,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:02:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:02:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:02:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:02:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:02:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:02:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:02:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:02:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:44,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-25 17:02:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:02:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:02:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:02:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-25 17:02:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:02:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:02:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:02:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:02:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:02:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:02:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:02:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:02:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:02:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:02:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:02:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:02:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:02:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:02:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:02:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:02:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:02:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:02:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:02:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 17:02:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:02:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:02:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 17:02:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 17:02:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:02:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:02:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:02:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-25 17:02:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-25 17:02:47,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:47,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836106638] [2022-11-25 17:02:47,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836106638] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:02:47,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765636918] [2022-11-25 17:02:47,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:47,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:02:47,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:02:47,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:02:47,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:02:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:49,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 4673 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:02:49,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:02:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-11-25 17:02:49,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:02:49,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765636918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:49,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:02:49,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2022-11-25 17:02:49,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015070011] [2022-11-25 17:02:49,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:49,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:02:49,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:49,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:02:49,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:02:49,482 INFO L87 Difference]: Start difference. First operand 21641 states and 30751 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-25 17:02:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:02:51,950 INFO L93 Difference]: Finished difference Result 61269 states and 86945 transitions. [2022-11-25 17:02:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:02:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 425 [2022-11-25 17:02:51,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:02:52,210 INFO L225 Difference]: With dead ends: 61269 [2022-11-25 17:02:52,210 INFO L226 Difference]: Without dead ends: 39655 [2022-11-25 17:02:52,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:02:52,315 INFO L413 NwaCegarLoop]: 4648 mSDtfsCounter, 3218 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 8463 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:02:52,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 8463 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:02:52,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39655 states. [2022-11-25 17:02:55,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39655 to 39647. [2022-11-25 17:02:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39647 states, 27684 states have (on average 1.3081924577373212) internal successors, (36216), 28256 states have internal predecessors, (36216), 9600 states have call successors, (9600), 2277 states have call predecessors, (9600), 2362 states have return successors, (10345), 9469 states have call predecessors, (10345), 9599 states have call successors, (10345) [2022-11-25 17:02:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39647 states to 39647 states and 56161 transitions. [2022-11-25 17:02:55,289 INFO L78 Accepts]: Start accepts. Automaton has 39647 states and 56161 transitions. Word has length 425 [2022-11-25 17:02:55,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:02:55,290 INFO L495 AbstractCegarLoop]: Abstraction has 39647 states and 56161 transitions. [2022-11-25 17:02:55,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-25 17:02:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 39647 states and 56161 transitions. [2022-11-25 17:02:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-11-25 17:02:55,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:02:55,452 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:02:55,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:02:55,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0fd123b-78ec-44ea-b499-34849e659aa3/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:02:55,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:02:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:02:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1733840692, now seen corresponding path program 1 times [2022-11-25 17:02:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:02:55,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181287332] [2022-11-25 17:02:55,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:02:55,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:02:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:02:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:02:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:02:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:02:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:02:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:02:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:02:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:02:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:02:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-25 17:02:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:02:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-25 17:02:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:02:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:02:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:02:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:02:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:02:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:02:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:02:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:02:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:02:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:02:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:02:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:02:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:02:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:02:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:02:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:02:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:02:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:02:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:02:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:02:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:02:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-25 17:02:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:02:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:02:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-25 17:02:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-25 17:02:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-25 17:02:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-25 17:02:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:02:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:02:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:02:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:02:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:02:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-25 17:02:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:02:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:02:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:02:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:02:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:02:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 17:02:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-25 17:02:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:02:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-25 17:02:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-25 17:02:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-25 17:02:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:02:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-25 17:02:58,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:02:58,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181287332] [2022-11-25 17:02:58,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181287332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:02:58,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:02:58,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-25 17:02:58,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589949622] [2022-11-25 17:02:58,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:02:58,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:02:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:02:58,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:02:58,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:02:58,078 INFO L87 Difference]: Start difference. First operand 39647 states and 56161 transitions. Second operand has 10 states, 10 states have (on average 23.0) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (69), 9 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-25 17:03:06,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:03:27,326 WARN L539 Checker$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 17:03:29,337 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 17:03:47,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:47,955 INFO L93 Difference]: Finished difference Result 124827 states and 180934 transitions. [2022-11-25 17:03:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-25 17:03:47,956 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.0) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (69), 9 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) Word has length 502 [2022-11-25 17:03:47,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:48,515 INFO L225 Difference]: With dead ends: 124827 [2022-11-25 17:03:48,515 INFO L226 Difference]: Without dead ends: 85207 [2022-11-25 17:03:48,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:03:48,696 INFO L413 NwaCegarLoop]: 2090 mSDtfsCounter, 12337 mSDsluCounter, 6629 mSDsCounter, 0 mSdLazyCounter, 13626 mSolverCounterSat, 9278 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12655 SdHoareTripleChecker+Valid, 8719 SdHoareTripleChecker+Invalid, 22907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9278 IncrementalHoareTripleChecker+Valid, 13626 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:48,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12655 Valid, 8719 Invalid, 22907 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9278 Valid, 13626 Invalid, 3 Unknown, 0 Unchecked, 41.8s Time] [2022-11-25 17:03:48,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85207 states. [2022-11-25 17:03:55,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85207 to 70003. [2022-11-25 17:03:55,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70003 states, 48898 states have (on average 1.3039797128716921) internal successors, (63762), 49970 states have internal predecessors, (63762), 16700 states have call successors, (16700), 4249 states have call predecessors, (16700), 4404 states have return successors, (18079), 16391 states have call predecessors, (18079), 16699 states have call successors, (18079) [2022-11-25 17:03:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70003 states to 70003 states and 98541 transitions. [2022-11-25 17:03:56,253 INFO L78 Accepts]: Start accepts. Automaton has 70003 states and 98541 transitions. Word has length 502 [2022-11-25 17:03:56,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:56,255 INFO L495 AbstractCegarLoop]: Abstraction has 70003 states and 98541 transitions. [2022-11-25 17:03:56,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.0) internal successors, (230), 3 states have internal predecessors, (230), 2 states have call successors, (69), 9 states have call predecessors, (69), 1 states have return successors, (68), 2 states have call predecessors, (68), 2 states have call successors, (68) [2022-11-25 17:03:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 70003 states and 98541 transitions. [2022-11-25 17:03:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-25 17:03:56,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:56,361 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 7, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:56,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:03:56,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:03:56,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:56,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1140275766, now seen corresponding path program 1 times [2022-11-25 17:03:56,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:56,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520794534] [2022-11-25 17:03:56,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:56,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:03:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:03:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:03:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-25 17:03:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-25 17:03:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:03:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-25 17:03:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:03:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:03:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:03:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-25 17:03:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-25 17:03:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-25 17:03:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-25 17:03:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-25 17:03:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-25 17:03:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-25 17:03:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-25 17:03:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-25 17:03:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 17:03:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:03:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:03:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-25 17:03:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:03:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:03:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 17:03:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-25 17:03:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:03:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-25 17:03:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-25 17:03:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-25 17:03:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-25 17:03:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-25 17:03:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-25 17:03:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-25 17:03:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-25 17:03:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:03:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:03:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-25 17:03:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:03:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-25 17:03:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-25 17:03:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 17:03:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-25 17:03:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 17:03:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-25 17:03:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:03:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:03:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-25 17:03:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:03:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-25 17:03:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-25 17:03:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-25 17:03:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:58,109 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2022-11-25 17:03:58,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:58,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520794534] [2022-11-25 17:03:58,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520794534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:58,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:58,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-25 17:03:58,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153353726] [2022-11-25 17:03:58,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:58,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:03:58,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:58,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:03:58,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:03:58,114 INFO L87 Difference]: Start difference. First operand 70003 states and 98541 transitions. Second operand has 9 states, 9 states have (on average 24.444444444444443) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) [2022-11-25 17:04:05,661 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 17:04:06,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:08,737 WARN L539 Checker$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 17:04:15,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 17:04:49,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:04:49,058 INFO L93 Difference]: Finished difference Result 195455 states and 281982 transitions. [2022-11-25 17:04:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:04:49,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.444444444444443) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (63), 8 states have call predecessors, (63), 1 states have return successors, (62), 3 states have call predecessors, (62), 3 states have call successors, (62) Word has length 430 [2022-11-25 17:04:49,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:04:49,923 INFO L225 Difference]: With dead ends: 195455 [2022-11-25 17:04:49,923 INFO L226 Difference]: Without dead ends: 125479 [2022-11-25 17:04:50,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-25 17:04:50,249 INFO L413 NwaCegarLoop]: 3688 mSDtfsCounter, 5678 mSDsluCounter, 11065 mSDsCounter, 0 mSdLazyCounter, 18711 mSolverCounterSat, 2841 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6447 SdHoareTripleChecker+Valid, 14753 SdHoareTripleChecker+Invalid, 21555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2841 IncrementalHoareTripleChecker+Valid, 18711 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:04:50,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6447 Valid, 14753 Invalid, 21555 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2841 Valid, 18711 Invalid, 3 Unknown, 0 Unchecked, 40.2s Time] [2022-11-25 17:04:50,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125479 states. [2022-11-25 17:04:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125479 to 105175. [2022-11-25 17:04:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105175 states, 73506 states have (on average 1.3028868391695916) internal successors, (95770), 75118 states have internal predecessors, (95770), 25040 states have call successors, (25040), 6393 states have call predecessors, (25040), 6628 states have return successors, (27079), 24575 states have call predecessors, (27079), 25039 states have call successors, (27079)