./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.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_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- 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 22:30:07,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:07,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:07,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:07,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:07,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:07,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:07,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:07,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:07,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:07,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:07,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:07,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:07,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:07,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:07,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:07,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:07,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:07,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:07,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:07,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:07,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:07,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:07,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:07,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:07,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:07,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:07,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:07,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:07,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:07,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:07,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:07,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:07,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:07,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:07,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:07,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:07,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:07,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:07,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:07,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:07,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:30:07,677 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:07,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:07,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:07,678 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:07,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:07,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:07,680 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:07,680 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:07,680 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:07,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:30:07,681 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:07,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:07,682 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:30:07,682 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:30:07,682 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:07,683 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:30:07,683 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:30:07,683 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:30:07,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:07,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:30:07,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:07,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:07,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:07,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:07,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:07,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:07,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:07,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:07,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:07,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:07,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:07,688 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:30:07,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:07,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:07,689 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:30:07,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:30:07,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:07,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:07,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-11-25 22:30:07,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:08,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:08,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:08,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:08,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:08,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-25 22:30:11,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:11,755 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:11,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-25 22:30:11,811 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/data/4b696c2f7/7e7c027bdfb54a508e9a1a22014b8cf8/FLAG7bd7fcfa7 [2022-11-25 22:30:11,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/data/4b696c2f7/7e7c027bdfb54a508e9a1a22014b8cf8 [2022-11-25 22:30:11,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:11,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:11,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:11,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:11,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:11,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:11" (1/1) ... [2022-11-25 22:30:11,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350dfc0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:11, skipping insertion in model container [2022-11-25 22:30:11,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:11" (1/1) ... [2022-11-25 22:30:11,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:12,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:13,046 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:30:13,105 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:30:13,120 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:30:13,136 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:30:13,533 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:30:13,605 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:30:13,619 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:30:13,626 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 22:30:13,681 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 22:30:13,764 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:30:13,773 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:30:13,774 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:30:13,788 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:30:13,798 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:30:13,815 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:30:13,821 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:30:13,846 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:30:13,866 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 22:30:13,894 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:30:14,083 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:14,091 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-25 22:30:14,275 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:30:14,325 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:30:14,332 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:30:14,343 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-11-25 22:30:14,596 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 22:30:14,610 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:14,611 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:14,625 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:14,627 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:14,629 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:30:14,643 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:14,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:14,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:14,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:14,728 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:30:14,729 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:14,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:14,766 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:14,786 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,787 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:14,787 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:14,818 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 22:30:14,833 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:14,840 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,845 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,905 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,943 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,944 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,946 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:30:14,965 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,967 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,969 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:30:14,969 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:30:14,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:14,985 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:14,993 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 22:30:14,993 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 22:30:15,028 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:30:15,045 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,147 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,148 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:30:15,148 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:15,166 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:15,175 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:15,179 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:30:15,179 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 22:30:15,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,190 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,193 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,204 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:15,206 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:15,215 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:15,216 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:15,216 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:30:15,224 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:30:15,224 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 22:30:15,225 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:15,225 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,226 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:15,228 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:30:15,252 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:15,252 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:15,253 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:15,254 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:15,254 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:30:15,255 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:15,255 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:15,255 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:30:15,256 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,257 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:30:15,258 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,261 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:30:15,263 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,264 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,272 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:30:15,273 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:30:15,274 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:30:15,274 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:30:15,275 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,279 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:15,279 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:30:15,280 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:30:15,280 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:15,288 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:30:15,293 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:30:15,294 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:15,302 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:30:15,303 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:15,310 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:15,310 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,311 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:15,319 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,319 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:30:15,421 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:30:15,424 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_6 [2022-11-25 22:30:15,425 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_6 [2022-11-25 22:30:15,425 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_6 [2022-11-25 22:30:15,427 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_7 [2022-11-25 22:30:15,428 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-11-25 22:30:15,428 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-11-25 22:30:15,429 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_7 [2022-11-25 22:30:15,431 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:15,432 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:15,432 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:15,436 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_8 [2022-11-25 22:30:15,437 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_8 [2022-11-25 22:30:15,438 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 22:30:15,440 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,441 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,442 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,442 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:15,443 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,447 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:30:15,448 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:30:15,448 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:30:15,449 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:30:15,454 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:30:15,454 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:30:15,456 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:30:15,457 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:30:15,461 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:30:15,462 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:30:15,589 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,593 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,595 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:30:15,597 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:30:15,599 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:30:15,617 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,618 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,618 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,620 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,620 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,622 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,623 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,624 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:15,626 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,628 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,629 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,630 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:15,634 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,635 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,636 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,636 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:15,637 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,785 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:15,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:15,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:15,835 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:15,842 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:15,842 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:15,842 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:15,843 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:15,862 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 22:30:15,872 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 22:30:15,873 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,873 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,874 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,874 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:15,875 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,966 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:15,967 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:15,968 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:15,969 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:15,971 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:15,972 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 22:30:15,972 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 22:30:15,981 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,983 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,984 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:15,984 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:15,985 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:15,994 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_69046725-f0fb-49c2-b9a5-d18a780fbad1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-11-25 22:30:16,037 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 22:30:16,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:16,147 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:30:16,357 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:30:16,358 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:30:16,358 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:30:16,359 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 22:30:16,362 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:30:16,363 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-11-25 22:30:16,367 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_word [2022-11-25 22:30:16,370 WARN L623 FunctionHandler]: Unknown extern function pci_bus_write_config_dword [2022-11-25 22:30:16,374 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-11-25 22:30:16,378 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:30:16,379 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:30:16,379 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:30:16,381 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:30:16,384 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:30:16,385 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:30:16,386 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:30:16,387 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-11-25 22:30:16,388 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-11-25 22:30:16,389 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:30:16,395 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:16,396 WARN L623 FunctionHandler]: Unknown extern function ___pskb_trim [2022-11-25 22:30:16,402 WARN L623 FunctionHandler]: Unknown extern function netif_tx_wake_queue [2022-11-25 22:30:16,404 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-25 22:30:16,405 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:30:16,405 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb_sk [2022-11-25 22:30:16,427 WARN L623 FunctionHandler]: Unknown extern function synchronize_irq [2022-11-25 22:30:16,429 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:16,430 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,442 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:16,443 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,444 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:30:16,446 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,461 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:30:16,461 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,467 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,470 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,471 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:16,471 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:16,478 WARN L623 FunctionHandler]: Unknown extern function __rwlock_init [2022-11-25 22:30:16,482 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:16,483 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,489 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,502 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,510 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,511 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,513 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:30:16,517 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,519 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,520 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:30:16,521 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:30:16,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,528 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,529 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 22:30:16,529 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 22:30:16,535 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:30:16,537 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,558 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,559 WARN L623 FunctionHandler]: Unknown extern function napi_disable [2022-11-25 22:30:16,559 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:16,561 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:16,563 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:30:16,564 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:30:16,564 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-11-25 22:30:16,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,569 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,578 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:16,579 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:16,579 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:16,579 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-11-25 22:30:16,580 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:30:16,582 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:30:16,582 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-11-25 22:30:16,588 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:16,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,589 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:16,590 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:30:16,597 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:16,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:16,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:16,598 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:16,599 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:30:16,599 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:30:16,599 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:16,600 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:30:16,600 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,606 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:30:16,607 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,619 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:30:16,620 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,621 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,622 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,623 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:30:16,623 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:30:16,623 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:30:16,624 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:30:16,624 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,625 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:30:16,625 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:30:16,625 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:30:16,625 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:16,626 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:30:16,627 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:30:16,627 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:16,627 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:30:16,628 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:30:16,628 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:30:16,628 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,629 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:30:16,630 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,630 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:30:16,643 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:30:16,645 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_late_6 [2022-11-25 22:30:16,646 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_6 [2022-11-25 22:30:16,646 WARN L623 FunctionHandler]: Unknown extern function ldv_resume_early_6 [2022-11-25 22:30:16,648 WARN L623 FunctionHandler]: Unknown extern function ldv_suspend_7 [2022-11-25 22:30:16,648 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-11-25 22:30:16,649 WARN L623 FunctionHandler]: Unknown extern function ldv_release_7 [2022-11-25 22:30:16,649 WARN L623 FunctionHandler]: Unknown extern function ldv_probe_7 [2022-11-25 22:30:16,650 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:16,650 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:16,650 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:30:16,653 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_init_8 [2022-11-25 22:30:16,653 WARN L623 FunctionHandler]: Unknown extern function ldv_ndo_uninit_8 [2022-11-25 22:30:16,658 WARN L623 FunctionHandler]: Unknown extern function ldv_check_final_state [2022-11-25 22:30:16,660 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,661 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,662 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,662 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:16,662 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,665 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-25 22:30:16,665 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:30:16,665 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:30:16,704 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:30:16,705 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:30:16,706 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:30:16,706 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:30:16,706 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:30:16,707 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:30:16,707 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:30:16,711 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,713 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,714 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:30:16,716 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:30:16,717 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:30:16,725 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,726 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,726 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,731 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,732 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,733 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,733 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,734 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:30:16,735 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,741 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,741 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,742 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:30:16,744 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,745 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,746 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,746 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:16,746 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,751 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:30:16,761 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:16,762 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:16,764 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:16,765 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:16,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:16,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:16,766 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:30:16,769 WARN L623 FunctionHandler]: Unknown extern function device_set_wakeup_enable [2022-11-25 22:30:16,772 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-11-25 22:30:16,773 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,773 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,774 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,774 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:16,775 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,779 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,780 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,780 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,781 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,782 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:30:16,783 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 22:30:16,784 WARN L623 FunctionHandler]: Unknown extern function netdev_notice [2022-11-25 22:30:16,787 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,788 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,788 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:30:16,789 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 22:30:16,789 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-11-25 22:30:16,791 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_69046725-f0fb-49c2-b9a5-d18a780fbad1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-11-25 22:30:16,793 WARN L623 FunctionHandler]: Unknown extern function ldv_some_page [2022-11-25 22:30:16,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:17,113 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:30:17,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17 WrapperNode [2022-11-25 22:30:17,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:17,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:17,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:30:17,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:30:17,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,608 INFO L138 Inliner]: procedures = 464, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7459 [2022-11-25 22:30:17,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:17,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:30:17,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:30:17,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:30:17,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:17,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:18,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:18,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:30:18,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:30:18,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:30:18,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:30:18,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (1/1) ... [2022-11-25 22:30:18,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:18,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:18,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:30:18,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:30:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 22:30:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 22:30:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 22:30:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 22:30:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-25 22:30:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-25 22:30:18,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:30:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:30:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-25 22:30:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-25 22:30:18,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-25 22:30:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-25 22:30:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 22:30:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 22:30:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-25 22:30:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-25 22:30:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:30:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:30:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-25 22:30:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-25 22:30:18,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-25 22:30:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-25 22:30:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-11-25 22:30:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-11-25 22:30:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-11-25 22:30:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-11-25 22:30:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-25 22:30:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-25 22:30:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 22:30:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 22:30:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 22:30:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 22:30:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 22:30:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 22:30:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:30:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:30:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-25 22:30:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-25 22:30:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-25 22:30:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-25 22:30:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 22:30:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 22:30:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-25 22:30:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-25 22:30:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 22:30:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 22:30:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-25 22:30:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-25 22:30:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 22:30:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 22:30:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 22:30:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 22:30:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-25 22:30:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-25 22:30:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 22:30:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 22:30:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-25 22:30:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-25 22:30:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:30:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-25 22:30:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-25 22:30:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-25 22:30:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-25 22:30:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 22:30:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 22:30:18,201 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-25 22:30:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-25 22:30:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-25 22:30:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-25 22:30:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:30:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:30:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 22:30:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 22:30:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:30:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-25 22:30:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:30:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:30:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-25 22:30:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-11-25 22:30:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-11-25 22:30:18,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:30:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 22:30:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 22:30:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-25 22:30:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-25 22:30:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 22:30:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 22:30:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-25 22:30:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-25 22:30:18,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-25 22:30:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-25 22:30:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 22:30:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 22:30:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-25 22:30:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-25 22:30:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 22:30:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 22:30:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:30:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:30:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-25 22:30:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-25 22:30:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-25 22:30:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-25 22:30:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-25 22:30:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-11-25 22:30:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-11-25 22:30:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:30:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:30:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:30:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:30:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-25 22:30:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-25 22:30:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-25 22:30:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-25 22:30:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-25 22:30:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-25 22:30:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-25 22:30:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-25 22:30:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 22:30:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 22:30:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-25 22:30:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-25 22:30:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:30:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:30:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-25 22:30:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-25 22:30:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-11-25 22:30:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-11-25 22:30:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-25 22:30:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-25 22:30:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-25 22:30:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-25 22:30:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 22:30:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 22:30:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-25 22:30:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-25 22:30:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-25 22:30:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-25 22:30:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-25 22:30:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-25 22:30:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:30:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:30:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-25 22:30:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-25 22:30:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 22:30:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 22:30:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:30:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:30:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:30:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:30:18,211 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 22:30:18,212 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 22:30:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-25 22:30:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-25 22:30:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-25 22:30:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-25 22:30:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-25 22:30:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-25 22:30:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-11-25 22:30:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-11-25 22:30:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 22:30:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 22:30:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 22:30:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 22:30:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-25 22:30:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-25 22:30:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-25 22:30:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-25 22:30:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-11-25 22:30:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-11-25 22:30:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 22:30:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 22:30:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:30:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:30:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-25 22:30:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-25 22:30:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:30:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:30:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:30:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:30:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-25 22:30:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-25 22:30:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-25 22:30:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-25 22:30:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:30:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:30:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:30:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-25 22:30:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-25 22:30:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 22:30:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-25 22:30:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-25 22:30:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-25 22:30:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-25 22:30:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-25 22:30:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-25 22:30:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-25 22:30:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-25 22:30:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-25 22:30:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:30:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-25 22:30:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-25 22:30:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-25 22:30:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-25 22:30:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 22:30:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 22:30:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-25 22:30:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-25 22:30:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 22:30:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 22:30:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 22:30:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 22:30:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:30:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:30:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 22:30:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 22:30:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:30:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:30:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-11-25 22:30:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-11-25 22:30:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-11-25 22:30:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-11-25 22:30:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-25 22:30:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-25 22:30:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-25 22:30:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-25 22:30:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-25 22:30:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-25 22:30:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:30:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:30:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-25 22:30:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-25 22:30:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:30:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:30:18,220 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-11-25 22:30:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-11-25 22:30:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-25 22:30:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-25 22:30:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-25 22:30:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-25 22:30:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:30:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:30:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:30:18,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-11-25 22:30:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-11-25 22:30:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-25 22:30:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-25 22:30:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:30:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:30:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-25 22:30:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-25 22:30:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-25 22:30:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-25 22:30:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 22:30:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 22:30:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-25 22:30:18,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-25 22:30:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 22:30:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 22:30:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-11-25 22:30:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-11-25 22:30:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-25 22:30:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-25 22:30:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-25 22:30:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-25 22:30:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-25 22:30:18,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-25 22:30:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-25 22:30:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-25 22:30:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-11-25 22:30:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-11-25 22:30:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 22:30:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 22:30:18,225 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 22:30:18,225 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 22:30:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-25 22:30:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-25 22:30:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 22:30:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 22:30:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-25 22:30:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-25 22:30:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-25 22:30:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-25 22:30:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-25 22:30:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-25 22:30:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 22:30:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 22:30:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-25 22:30:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-25 22:30:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:30:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-25 22:30:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-25 22:30:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-25 22:30:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-25 22:30:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-25 22:30:18,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-25 22:30:19,401 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:30:19,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:30:19,780 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:30:29,578 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:30:31,672 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:30:31,672 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:30:31,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:31 BoogieIcfgContainer [2022-11-25 22:30:31,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:30:31,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:30:31,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:30:31,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:30:31,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:30:11" (1/3) ... [2022-11-25 22:30:31,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c2653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:31, skipping insertion in model container [2022-11-25 22:30:31,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:17" (2/3) ... [2022-11-25 22:30:31,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c2653a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:31, skipping insertion in model container [2022-11-25 22:30:31,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:31" (3/3) ... [2022-11-25 22:30:31,695 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-25 22:30:31,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:30:31,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:30:31,844 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:30:31,852 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5dd6a284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:30:31,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:30:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 2199 states, 1341 states have (on average 1.319910514541387) internal successors, (1770), 1379 states have internal predecessors, (1770), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2022-11-25 22:30:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-25 22:30:31,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:31,914 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:30:31,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:31,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1322252595, now seen corresponding path program 1 times [2022-11-25 22:30:31,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:31,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976015849] [2022-11-25 22:30:31,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:32,474 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:30:32,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150462979] [2022-11-25 22:30:32,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:32,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:32,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:32,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:30:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:34,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:30:34,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-25 22:30:34,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:34,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:34,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976015849] [2022-11-25 22:30:34,461 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:30:34,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150462979] [2022-11-25 22:30:34,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150462979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:34,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:34,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:34,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040483063] [2022-11-25 22:30:34,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:34,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:34,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:34,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:34,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:34,520 INFO L87 Difference]: Start difference. First operand has 2199 states, 1341 states have (on average 1.319910514541387) internal successors, (1770), 1379 states have internal predecessors, (1770), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:38,253 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 22:30:41,289 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 22:30:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:44,216 INFO L93 Difference]: Finished difference Result 5942 states and 8611 transitions. [2022-11-25 22:30:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:44,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 135 [2022-11-25 22:30:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:44,263 INFO L225 Difference]: With dead ends: 5942 [2022-11-25 22:30:44,263 INFO L226 Difference]: Without dead ends: 3729 [2022-11-25 22:30:44,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:44,279 INFO L413 NwaCegarLoop]: 3334 mSDtfsCounter, 2281 mSDsluCounter, 2737 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 40 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 6071 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:44,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2281 Valid, 6071 Invalid, 740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [40 Valid, 698 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 22:30:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2022-11-25 22:30:44,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3711. [2022-11-25 22:30:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3711 states, 2297 states have (on average 1.3086634740966478) internal successors, (3006), 2346 states have internal predecessors, (3006), 1162 states have call successors, (1162), 253 states have call predecessors, (1162), 251 states have return successors, (1161), 1146 states have call predecessors, (1161), 1161 states have call successors, (1161) [2022-11-25 22:30:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 3711 states and 5329 transitions. [2022-11-25 22:30:44,578 INFO L78 Accepts]: Start accepts. Automaton has 3711 states and 5329 transitions. Word has length 135 [2022-11-25 22:30:44,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:44,579 INFO L495 AbstractCegarLoop]: Abstraction has 3711 states and 5329 transitions. [2022-11-25 22:30:44,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 5329 transitions. [2022-11-25 22:30:44,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-25 22:30:44,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:44,590 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:44,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:30:44,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:30:44,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:44,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2136379476, now seen corresponding path program 1 times [2022-11-25 22:30:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:44,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737596014] [2022-11-25 22:30:44,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-11-25 22:30:45,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:45,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737596014] [2022-11-25 22:30:45,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737596014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:45,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:45,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283546758] [2022-11-25 22:30:45,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:45,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:45,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:45,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:45,568 INFO L87 Difference]: Start difference. First operand 3711 states and 5329 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:30:49,562 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 22:30:52,889 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 22:30:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:55,157 INFO L93 Difference]: Finished difference Result 10448 states and 14961 transitions. [2022-11-25 22:30:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:55,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 197 [2022-11-25 22:30:55,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:55,201 INFO L225 Difference]: With dead ends: 10448 [2022-11-25 22:30:55,201 INFO L226 Difference]: Without dead ends: 6762 [2022-11-25 22:30:55,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:55,222 INFO L413 NwaCegarLoop]: 3905 mSDtfsCounter, 2591 mSDsluCounter, 2789 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 6694 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:55,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 6694 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 662 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-25 22:30:55,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6762 states. [2022-11-25 22:30:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6762 to 6757. [2022-11-25 22:30:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6757 states, 4192 states have (on average 1.3096374045801527) internal successors, (5490), 4287 states have internal predecessors, (5490), 2086 states have call successors, (2086), 482 states have call predecessors, (2086), 478 states have return successors, (2085), 2053 states have call predecessors, (2085), 2085 states have call successors, (2085) [2022-11-25 22:30:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6757 states to 6757 states and 9661 transitions. [2022-11-25 22:30:55,594 INFO L78 Accepts]: Start accepts. Automaton has 6757 states and 9661 transitions. Word has length 197 [2022-11-25 22:30:55,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:55,598 INFO L495 AbstractCegarLoop]: Abstraction has 6757 states and 9661 transitions. [2022-11-25 22:30:55,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 22:30:55,598 INFO L276 IsEmpty]: Start isEmpty. Operand 6757 states and 9661 transitions. [2022-11-25 22:30:55,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-25 22:30:55,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:55,628 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 22:30:55,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:30:55,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:30:55,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:55,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1206715630, now seen corresponding path program 1 times [2022-11-25 22:30:55,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:55,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443361671] [2022-11-25 22:30:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-25 22:30:56,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:56,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443361671] [2022-11-25 22:30:56,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443361671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:56,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:56,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:56,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723171525] [2022-11-25 22:30:56,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:56,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:56,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:56,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:56,333 INFO L87 Difference]: Start difference. First operand 6757 states and 9661 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:30:57,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:01,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:04,329 WARN L539 Checker$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 22:31:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:06,514 INFO L93 Difference]: Finished difference Result 12611 states and 18070 transitions. [2022-11-25 22:31:06,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:06,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 278 [2022-11-25 22:31:06,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:06,619 INFO L225 Difference]: With dead ends: 12611 [2022-11-25 22:31:06,619 INFO L226 Difference]: Without dead ends: 12608 [2022-11-25 22:31:06,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:06,633 INFO L413 NwaCegarLoop]: 4017 mSDtfsCounter, 2526 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2529 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:06,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2529 Valid, 6799 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 22:31:06,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2022-11-25 22:31:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12532. [2022-11-25 22:31:07,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 7833 states have (on average 1.3146942423081833) internal successors, (10298), 7994 states have internal predecessors, (10298), 3802 states have call successors, (3802), 904 states have call predecessors, (3802), 896 states have return successors, (3835), 3749 states have call predecessors, (3835), 3801 states have call successors, (3835) [2022-11-25 22:31:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 17935 transitions. [2022-11-25 22:31:07,629 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 17935 transitions. Word has length 278 [2022-11-25 22:31:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:07,632 INFO L495 AbstractCegarLoop]: Abstraction has 12532 states and 17935 transitions. [2022-11-25 22:31:07,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:31:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 17935 transitions. [2022-11-25 22:31:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-25 22:31:07,668 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:07,668 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 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] [2022-11-25 22:31:07,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:31:07,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:07,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:07,670 INFO L85 PathProgramCache]: Analyzing trace with hash 120889706, now seen corresponding path program 1 times [2022-11-25 22:31:07,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:07,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319936269] [2022-11-25 22:31:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:07,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2022-11-25 22:31:08,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:08,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319936269] [2022-11-25 22:31:08,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319936269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:08,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:08,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:08,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506486237] [2022-11-25 22:31:08,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:08,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:08,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:08,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:08,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:08,498 INFO L87 Difference]: Start difference. First operand 12532 states and 17935 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:31:13,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:16,128 WARN L539 Checker$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 22:31:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:18,315 INFO L93 Difference]: Finished difference Result 34845 states and 49750 transitions. [2022-11-25 22:31:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:18,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 288 [2022-11-25 22:31:18,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:18,458 INFO L225 Difference]: With dead ends: 34845 [2022-11-25 22:31:18,458 INFO L226 Difference]: Without dead ends: 22338 [2022-11-25 22:31:18,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:18,533 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 2515 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 7032 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:18,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 7032 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 712 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-25 22:31:18,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22338 states. [2022-11-25 22:31:19,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22338 to 22334. [2022-11-25 22:31:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22334 states, 13990 states have (on average 1.313795568263045) internal successors, (18380), 14245 states have internal predecessors, (18380), 6696 states have call successors, (6696), 1659 states have call predecessors, (6696), 1647 states have return successors, (6763), 6621 states have call predecessors, (6763), 6695 states have call successors, (6763) [2022-11-25 22:31:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22334 states to 22334 states and 31839 transitions. [2022-11-25 22:31:19,987 INFO L78 Accepts]: Start accepts. Automaton has 22334 states and 31839 transitions. Word has length 288 [2022-11-25 22:31:19,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:19,988 INFO L495 AbstractCegarLoop]: Abstraction has 22334 states and 31839 transitions. [2022-11-25 22:31:19,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-25 22:31:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 22334 states and 31839 transitions. [2022-11-25 22:31:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-11-25 22:31:20,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:20,045 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 3, 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] [2022-11-25 22:31:20,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:31:20,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:20,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:20,046 INFO L85 PathProgramCache]: Analyzing trace with hash 258148066, now seen corresponding path program 1 times [2022-11-25 22:31:20,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:20,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728980537] [2022-11-25 22:31:20,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:20,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-11-25 22:31:20,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:20,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728980537] [2022-11-25 22:31:20,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728980537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:20,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:20,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:20,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592890731] [2022-11-25 22:31:20,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:20,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:20,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:20,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:20,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:20,779 INFO L87 Difference]: Start difference. First operand 22334 states and 31839 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 22:31:23,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:25,645 WARN L539 Checker$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 22:31:29,437 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 22:31:31,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:31,659 INFO L93 Difference]: Finished difference Result 66788 states and 95220 transitions. [2022-11-25 22:31:31,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:31,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 315 [2022-11-25 22:31:31,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:31,901 INFO L225 Difference]: With dead ends: 66788 [2022-11-25 22:31:31,902 INFO L226 Difference]: Without dead ends: 44489 [2022-11-25 22:31:32,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:32,007 INFO L413 NwaCegarLoop]: 4045 mSDtfsCounter, 3004 mSDsluCounter, 2803 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 6848 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:32,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3007 Valid, 6848 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-11-25 22:31:32,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44489 states. [2022-11-25 22:31:34,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44489 to 44464. [2022-11-25 22:31:34,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44464 states, 27854 states have (on average 1.3142098082860632) internal successors, (36606), 28377 states have internal predecessors, (36606), 13326 states have call successors, (13326), 3307 states have call predecessors, (13326), 3283 states have return successors, (13461), 13163 states have call predecessors, (13461), 13325 states have call successors, (13461) [2022-11-25 22:31:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44464 states to 44464 states and 63393 transitions. [2022-11-25 22:31:34,591 INFO L78 Accepts]: Start accepts. Automaton has 44464 states and 63393 transitions. Word has length 315 [2022-11-25 22:31:34,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:34,597 INFO L495 AbstractCegarLoop]: Abstraction has 44464 states and 63393 transitions. [2022-11-25 22:31:34,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-25 22:31:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 44464 states and 63393 transitions. [2022-11-25 22:31:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-25 22:31:35,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:35,036 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 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] [2022-11-25 22:31:35,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:31:35,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash -681486780, now seen corresponding path program 1 times [2022-11-25 22:31:35,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:35,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961554099] [2022-11-25 22:31:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2022-11-25 22:31:36,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:36,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961554099] [2022-11-25 22:31:36,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961554099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:36,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:36,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:36,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615236044] [2022-11-25 22:31:36,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:36,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:36,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:36,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:36,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:36,700 INFO L87 Difference]: Start difference. First operand 44464 states and 63393 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 22:31:37,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:41,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:31:43,775 WARN L539 Checker$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 22:31:47,514 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 22:31:49,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:49,036 INFO L93 Difference]: Finished difference Result 65272 states and 93181 transitions. [2022-11-25 22:31:49,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:49,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 369 [2022-11-25 22:31:49,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:49,528 INFO L225 Difference]: With dead ends: 65272 [2022-11-25 22:31:49,529 INFO L226 Difference]: Without dead ends: 65269 [2022-11-25 22:31:49,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:49,561 INFO L413 NwaCegarLoop]: 3474 mSDtfsCounter, 2595 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2598 SdHoareTripleChecker+Valid, 6255 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:49,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2598 Valid, 6255 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 573 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-11-25 22:31:49,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65269 states. [2022-11-25 22:31:52,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65269 to 64604. [2022-11-25 22:31:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64604 states, 40611 states have (on average 1.3164659821230702) internal successors, (53463), 41327 states have internal predecessors, (53463), 19236 states have call successors, (19236), 4792 states have call predecessors, (19236), 4756 states have return successors, (19507), 19028 states have call predecessors, (19507), 19235 states have call successors, (19507) [2022-11-25 22:31:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64604 states to 64604 states and 92206 transitions. [2022-11-25 22:31:53,593 INFO L78 Accepts]: Start accepts. Automaton has 64604 states and 92206 transitions. Word has length 369 [2022-11-25 22:31:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:53,594 INFO L495 AbstractCegarLoop]: Abstraction has 64604 states and 92206 transitions. [2022-11-25 22:31:53,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 22:31:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 64604 states and 92206 transitions. [2022-11-25 22:31:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-11-25 22:31:53,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:53,743 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:53,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:31:53,744 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:53,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:53,744 INFO L85 PathProgramCache]: Analyzing trace with hash -684166377, now seen corresponding path program 1 times [2022-11-25 22:31:53,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:53,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832829175] [2022-11-25 22:31:53,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:53,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:54,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:54,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832829175] [2022-11-25 22:31:54,735 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 22:31:54,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517925588] [2022-11-25 22:31:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:54,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:54,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:31:54,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:31:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:57,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 7253 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:31:57,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-25 22:31:57,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:31:57,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517925588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:57,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:57,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:57,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044168273] [2022-11-25 22:31:57,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:57,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:57,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:57,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:57,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:57,651 INFO L87 Difference]: Start difference. First operand 64604 states and 92206 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-25 22:32:02,802 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 22:32:05,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:08,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:08,498 INFO L93 Difference]: Finished difference Result 129557 states and 186244 transitions. [2022-11-25 22:32:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:08,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 436 [2022-11-25 22:32:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:09,046 INFO L225 Difference]: With dead ends: 129557 [2022-11-25 22:32:09,046 INFO L226 Difference]: Without dead ends: 64988 [2022-11-25 22:32:09,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:09,333 INFO L413 NwaCegarLoop]: 2851 mSDtfsCounter, 11 mSDsluCounter, 2836 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5687 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:09,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5687 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 571 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-11-25 22:32:09,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64988 states. [2022-11-25 22:32:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64988 to 64652. [2022-11-25 22:32:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64652 states, 40659 states have (on average 1.3160923780712757) internal successors, (53511), 41375 states have internal predecessors, (53511), 19236 states have call successors, (19236), 4792 states have call predecessors, (19236), 4756 states have return successors, (19507), 19028 states have call predecessors, (19507), 19235 states have call successors, (19507) [2022-11-25 22:32:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64652 states to 64652 states and 92254 transitions. [2022-11-25 22:32:13,340 INFO L78 Accepts]: Start accepts. Automaton has 64652 states and 92254 transitions. Word has length 436 [2022-11-25 22:32:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 64652 states and 92254 transitions. [2022-11-25 22:32:13,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-25 22:32:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 64652 states and 92254 transitions. [2022-11-25 22:32:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-11-25 22:32:13,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:13,464 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:32:13,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:13,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:13,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:13,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:13,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1790468353, now seen corresponding path program 1 times [2022-11-25 22:32:13,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:13,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811202156] [2022-11-25 22:32:13,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:13,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:14,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:14,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811202156] [2022-11-25 22:32:14,461 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 22:32:14,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947982287] [2022-11-25 22:32:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:14,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:14,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:14,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:32:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:17,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 7275 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:32:17,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:17,383 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-11-25 22:32:17,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:17,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947982287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:17,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:17,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:17,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658572890] [2022-11-25 22:32:17,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:17,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:17,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:17,387 INFO L87 Difference]: Start difference. First operand 64652 states and 92254 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-25 22:32:18,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:23,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:27,206 WARN L539 Checker$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 22:32:31,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:31,409 INFO L93 Difference]: Finished difference Result 186467 states and 265963 transitions. [2022-11-25 22:32:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:31,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 441 [2022-11-25 22:32:31,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:32,025 INFO L225 Difference]: With dead ends: 186467 [2022-11-25 22:32:32,025 INFO L226 Difference]: Without dead ends: 121850 [2022-11-25 22:32:32,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:32,545 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 2362 mSDsluCounter, 2671 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 49 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2363 SdHoareTripleChecker+Valid, 6001 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:32,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2363 Valid, 6001 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 684 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-11-25 22:32:32,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121850 states. [2022-11-25 22:32:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121850 to 121570. [2022-11-25 22:32:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121570 states, 76907 states have (on average 1.315237884717906) internal successors, (101151), 78257 states have internal predecessors, (101151), 35650 states have call successors, (35650), 9096 states have call predecessors, (35650), 9012 states have return successors, (36097), 35192 states have call predecessors, (36097), 35649 states have call successors, (36097) [2022-11-25 22:32:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121570 states to 121570 states and 172898 transitions. [2022-11-25 22:32:38,345 INFO L78 Accepts]: Start accepts. Automaton has 121570 states and 172898 transitions. Word has length 441 [2022-11-25 22:32:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:38,346 INFO L495 AbstractCegarLoop]: Abstraction has 121570 states and 172898 transitions. [2022-11-25 22:32:38,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-25 22:32:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 121570 states and 172898 transitions. [2022-11-25 22:32:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-25 22:32:38,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:38,581 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 22:32:38,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 22:32:38,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:38,795 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:38,796 INFO L85 PathProgramCache]: Analyzing trace with hash 686422773, now seen corresponding path program 1 times [2022-11-25 22:32:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:38,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746639938] [2022-11-25 22:32:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:38,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:39,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:39,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746639938] [2022-11-25 22:32:39,841 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-25 22:32:39,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599349110] [2022-11-25 22:32:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:39,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:39,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:39,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69046725-f0fb-49c2-b9a5-d18a780fbad1/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:32:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:42,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 7323 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:32:43,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-11-25 22:32:43,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:43,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599349110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:43,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:32:43,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:32:43,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440196005] [2022-11-25 22:32:43,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:43,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:43,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:43,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:43,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:32:43,116 INFO L87 Difference]: Start difference. First operand 121570 states and 172898 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-25 22:32:49,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:32:52,607 WARN L539 Checker$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 22:32:59,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:59,478 INFO L93 Difference]: Finished difference Result 273528 states and 389298 transitions. [2022-11-25 22:32:59,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:59,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 462 [2022-11-25 22:32:59,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:33:00,348 INFO L225 Difference]: With dead ends: 273528 [2022-11-25 22:33:00,348 INFO L226 Difference]: Without dead ends: 151993 [2022-11-25 22:33:00,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:33:00,711 INFO L413 NwaCegarLoop]: 4901 mSDtfsCounter, 2752 mSDsluCounter, 2361 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 44 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2753 SdHoareTripleChecker+Valid, 7262 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:33:00,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2753 Valid, 7262 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 876 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-25 22:33:00,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151993 states.