./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-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:51:20,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:51:20,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:51:20,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:51:20,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:51:20,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:51:20,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:51:20,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:51:20,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:51:20,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:51:20,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:51:20,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:51:20,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:51:20,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:51:20,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:51:20,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:51:20,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:51:20,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:51:20,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:51:20,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:51:20,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:51:20,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:51:20,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:51:20,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:51:20,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:51:20,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:51:20,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:51:20,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:51:20,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:51:20,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:51:20,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:51:20,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:51:20,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:51:20,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:51:20,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:51:20,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:51:20,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:51:20,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:51:20,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:51:20,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:51:20,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:51:20,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:51:20,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:51:20,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:51:20,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:51:20,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:51:20,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:51:20,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:51:20,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:51:20,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:51:20,841 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:51:20,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:51:20,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:51:20,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:51:20,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:51:20,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:51:20,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:51:20,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:51:20,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:51:20,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:51:20,844 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:51:20,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:51:20,845 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:51:20,845 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2022-12-13 12:51:21,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:51:21,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:51:21,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:51:21,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:51:21,033 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:51:21,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-12-13 12:51:23,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:51:24,128 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:51:24,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-12-13 12:51:24,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/data/cc39f1a62/1034b6c975554989bd8d937548bfaa93/FLAG2bb900b59 [2022-12-13 12:51:24,180 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/data/cc39f1a62/1034b6c975554989bd8d937548bfaa93 [2022-12-13 12:51:24,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:51:24,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:51:24,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:51:24,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:51:24,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:51:24,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:24" (1/1) ... [2022-12-13 12:51:24,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6409d50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:24, skipping insertion in model container [2022-12-13 12:51:24,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:24" (1/1) ... [2022-12-13 12:51:24,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:51:24,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:51:24,869 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:51:24,896 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:51:24,918 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:51:24,952 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 12:51:25,007 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-13 12:51:25,382 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 12:51:25,387 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 12:51:25,391 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:51:25,400 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:51:25,504 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:25,602 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:51:25,681 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:51:25,682 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:51:25,683 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:51:25,689 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:51:25,694 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:25,695 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-13 12:51:25,700 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-13 12:51:25,707 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:51:25,712 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:51:25,717 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 12:51:25,861 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:26,072 WARN L623 FunctionHandler]: Unknown extern function ib_event_msg [2022-12-13 12:51:26,072 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,073 WARN L623 FunctionHandler]: Unknown extern function rdma_notify [2022-12-13 12:51:26,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,078 WARN L623 FunctionHandler]: Unknown extern function ib_query_device [2022-12-13 12:51:26,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,080 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,098 WARN L623 FunctionHandler]: Unknown extern function rdma_create_qp [2022-12-13 12:51:26,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,116 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,122 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,135 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_cq [2022-12-13 12:51:26,135 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,142 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:26,143 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:26,143 WARN L623 FunctionHandler]: Unknown extern function ib_create_cq [2022-12-13 12:51:26,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,151 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_pd [2022-12-13 12:51:26,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,152 WARN L623 FunctionHandler]: Unknown extern function ib_get_dma_mr [2022-12-13 12:51:26,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,153 WARN L623 FunctionHandler]: Unknown extern function ib_dealloc_pd [2022-12-13 12:51:26,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,159 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:26,159 WARN L623 FunctionHandler]: Unknown extern function ib_dealloc_pd [2022-12-13 12:51:26,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,165 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:26,165 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,171 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,172 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,179 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:26,179 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:26,179 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:26,180 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:26,180 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:26,180 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_mr [2022-12-13 12:51:26,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,181 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,187 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,188 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_page_list [2022-12-13 12:51:26,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,189 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_mr [2022-12-13 12:51:26,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,190 WARN L623 FunctionHandler]: Unknown extern function ib_create_mr [2022-12-13 12:51:26,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,191 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:26,191 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:26,191 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,197 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_page_list [2022-12-13 12:51:26,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,198 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_mr [2022-12-13 12:51:26,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,200 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:26,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,207 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,213 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:51:26,214 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:51:26,214 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:26,214 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:26,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,227 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,234 WARN L623 FunctionHandler]: Unknown extern function rdma_reject [2022-12-13 12:51:26,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,237 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 12:51:26,237 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,237 WARN L623 FunctionHandler]: Unknown extern function rdma_reject [2022-12-13 12:51:26,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,243 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:26,244 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_qp [2022-12-13 12:51:26,244 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,256 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,268 WARN L623 FunctionHandler]: Unknown extern function rdma_disconnect [2022-12-13 12:51:26,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,268 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,274 WARN L623 FunctionHandler]: Unknown extern function rdma_event_msg [2022-12-13 12:51:26,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,282 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:26,292 WARN L623 FunctionHandler]: Unknown extern function rdma_event_msg [2022-12-13 12:51:26,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,307 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,320 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,341 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:51:26,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,344 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:26,349 WARN L623 FunctionHandler]: Unknown extern function iscsit_allocate_cmd [2022-12-13 12:51:26,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,355 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_scsi_cmd [2022-12-13 12:51:26,356 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_scsi_cmd [2022-12-13 12:51:26,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,357 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-13 12:51:26,357 WARN L623 FunctionHandler]: Unknown extern function iscsit_sequence_cmd [2022-12-13 12:51:26,358 WARN L623 FunctionHandler]: Unknown extern function iscsit_set_unsoliticed_dataout [2022-12-13 12:51:26,358 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:26,364 WARN L623 FunctionHandler]: Unknown extern function iscsit_check_dataout_hdr [2022-12-13 12:51:26,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,365 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:26,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,366 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:26,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,367 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-13 12:51:26,367 WARN L623 FunctionHandler]: Unknown extern function iscsit_check_dataout_payload [2022-12-13 12:51:26,373 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_nop_out [2022-12-13 12:51:26,373 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_nop_out [2022-12-13 12:51:26,378 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_text_cmd [2022-12-13 12:51:26,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,380 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_text_cmd [2022-12-13 12:51:26,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,387 WARN L623 FunctionHandler]: Unknown extern function iscsit_handle_task_mgt_cmd [2022-12-13 12:51:26,387 WARN L623 FunctionHandler]: Unknown extern function iscsit_handle_logout_cmd [2022-12-13 12:51:26,387 WARN L623 FunctionHandler]: Unknown extern function iscsit_find_cmd_from_itt [2022-12-13 12:51:26,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,388 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:26,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,403 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,404 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:26,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,421 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,421 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,422 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,429 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:26,429 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:26,430 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:26,430 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:26,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,431 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:26,431 WARN L623 FunctionHandler]: Unknown extern function iscsit_release_cmd [2022-12-13 12:51:26,436 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,447 WARN L623 FunctionHandler]: Unknown extern function ib_check_mr_status [2022-12-13 12:51:26,447 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,454 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-13 12:51:26,460 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:26,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,460 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:26,461 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-13 12:51:26,461 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-13 12:51:26,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,466 WARN L623 FunctionHandler]: Unknown extern function iscsit_tmr_post_handler [2022-12-13 12:51:26,467 WARN L623 FunctionHandler]: Unknown extern function iscsit_logout_post_handler [2022-12-13 12:51:26,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,467 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:26,472 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:26,473 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:26,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,479 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:26,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,490 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:26,490 WARN L623 FunctionHandler]: Unknown extern function iscsit_cause_connection_reinstatement [2022-12-13 12:51:26,496 WARN L623 FunctionHandler]: Unknown extern function ib_wc_status_msg [2022-12-13 12:51:26,496 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,496 WARN L623 FunctionHandler]: Unknown extern function ib_wc_status_msg [2022-12-13 12:51:26,497 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,503 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_rsp_pdu [2022-12-13 12:51:26,505 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,511 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:26,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,535 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_nopin_rsp [2022-12-13 12:51:26,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,541 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_logout_rsp [2022-12-13 12:51:26,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,547 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_task_mgt_rsp [2022-12-13 12:51:26,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,554 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_reject [2022-12-13 12:51:26,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,560 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_text_rsp [2022-12-13 12:51:26,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,569 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:26,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,581 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:26,592 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,620 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,621 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,630 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:51:26,631 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:26,633 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:51:26,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,640 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_rsp_pdu [2022-12-13 12:51:26,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,654 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,661 WARN L623 FunctionHandler]: Unknown extern function rdma_create_id [2022-12-13 12:51:26,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,662 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,662 WARN L623 FunctionHandler]: Unknown extern function rdma_bind_addr [2022-12-13 12:51:26,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,663 WARN L623 FunctionHandler]: Unknown extern function rdma_listen [2022-12-13 12:51:26,663 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,663 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:26,669 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,669 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:51:26,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,671 WARN L623 FunctionHandler]: Unknown extern function rdma_accept [2022-12-13 12:51:26,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,677 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-13 12:51:26,677 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,678 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-13 12:51:26,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,686 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:51:26,687 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:51:26,692 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 12:51:26,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,700 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:26,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,702 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:26,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,703 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 12:51:26,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,708 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,709 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,709 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 12:51:26,714 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,714 WARN L623 FunctionHandler]: Unknown extern function target_sess_cmd_list_set_waiting [2022-12-13 12:51:26,715 WARN L623 FunctionHandler]: Unknown extern function target_wait_for_sess_cmds [2022-12-13 12:51:26,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,720 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 12:51:26,726 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,737 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 12:51:26,738 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,738 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 12:51:26,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,739 WARN L623 FunctionHandler]: Unknown extern function iscsit_register_transport [2022-12-13 12:51:26,739 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,744 WARN L623 FunctionHandler]: Unknown extern function iscsit_unregister_transport [2022-12-13 12:51:26,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:26,767 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:51:26,770 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:51:26,771 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 12:51:26,771 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:51:26,771 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 12:51:26,772 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 12:51:26,772 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,772 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,772 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,773 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:51:26,773 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,773 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,773 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,774 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,774 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,774 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,774 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,774 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 12:51:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,776 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,777 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,777 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,777 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,777 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,777 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,779 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,779 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,779 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,779 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,779 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:26,780 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,780 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:26,780 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:26,780 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:26,780 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:26,785 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_499736b3-500e-4f8d-9054-d763c7e8cbf6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2022-12-13 12:51:27,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,068 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,068 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,068 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,069 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,071 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,072 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,073 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:51:27,096 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:51:27,206 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:51:27,206 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:51:27,207 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:51:27,207 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-13 12:51:27,208 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-13 12:51:27,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 12:51:27,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 12:51:27,212 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:51:27,213 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:51:27,214 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,216 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:51:27,220 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:51:27,221 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-13 12:51:27,221 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-13 12:51:27,222 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-13 12:51:27,222 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:27,223 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-13 12:51:27,223 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-13 12:51:27,224 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-13 12:51:27,225 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-13 12:51:27,225 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-13 12:51:27,244 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:27,246 WARN L623 FunctionHandler]: Unknown extern function ib_event_msg [2022-12-13 12:51:27,246 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,246 WARN L623 FunctionHandler]: Unknown extern function rdma_notify [2022-12-13 12:51:27,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,247 WARN L623 FunctionHandler]: Unknown extern function ib_query_device [2022-12-13 12:51:27,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,248 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,260 WARN L623 FunctionHandler]: Unknown extern function rdma_create_qp [2022-12-13 12:51:27,260 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,266 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,269 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,270 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_cq [2022-12-13 12:51:27,270 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,276 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:27,276 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:27,276 WARN L623 FunctionHandler]: Unknown extern function ib_create_cq [2022-12-13 12:51:27,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,278 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_pd [2022-12-13 12:51:27,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,278 WARN L623 FunctionHandler]: Unknown extern function ib_get_dma_mr [2022-12-13 12:51:27,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,279 WARN L623 FunctionHandler]: Unknown extern function ib_dealloc_pd [2022-12-13 12:51:27,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,280 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:27,280 WARN L623 FunctionHandler]: Unknown extern function ib_dealloc_pd [2022-12-13 12:51:27,280 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,280 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:27,281 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,281 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,297 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:27,297 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_mr [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,298 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,300 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_page_list [2022-12-13 12:51:27,300 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,300 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_mr [2022-12-13 12:51:27,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,301 WARN L623 FunctionHandler]: Unknown extern function ib_create_mr [2022-12-13 12:51:27,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,302 WARN L623 FunctionHandler]: Unknown extern function ib_dereg_mr [2022-12-13 12:51:27,302 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:27,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,303 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_page_list [2022-12-13 12:51:27,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,303 WARN L623 FunctionHandler]: Unknown extern function ib_alloc_fast_reg_mr [2022-12-13 12:51:27,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,304 WARN L623 FunctionHandler]: Unknown extern function ib_free_fast_reg_page_list [2022-12-13 12:51:27,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,310 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,311 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:51:27,311 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:51:27,311 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:27,311 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:27,313 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,315 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,316 WARN L623 FunctionHandler]: Unknown extern function rdma_reject [2022-12-13 12:51:27,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,321 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,321 WARN L623 FunctionHandler]: Unknown extern function up [2022-12-13 12:51:27,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,322 WARN L623 FunctionHandler]: Unknown extern function rdma_reject [2022-12-13 12:51:27,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,327 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:27,327 WARN L623 FunctionHandler]: Unknown extern function ib_destroy_qp [2022-12-13 12:51:27,328 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,330 WARN L623 FunctionHandler]: Unknown extern function rdma_disconnect [2022-12-13 12:51:27,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,331 WARN L623 FunctionHandler]: Unknown extern function rdma_event_msg [2022-12-13 12:51:27,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,333 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:27,334 WARN L623 FunctionHandler]: Unknown extern function rdma_event_msg [2022-12-13 12:51:27,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,336 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,362 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:51:27,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,364 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:27,364 WARN L623 FunctionHandler]: Unknown extern function iscsit_allocate_cmd [2022-12-13 12:51:27,364 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,369 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_scsi_cmd [2022-12-13 12:51:27,369 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_scsi_cmd [2022-12-13 12:51:27,370 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,370 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-13 12:51:27,371 WARN L623 FunctionHandler]: Unknown extern function iscsit_sequence_cmd [2022-12-13 12:51:27,371 WARN L623 FunctionHandler]: Unknown extern function iscsit_set_unsoliticed_dataout [2022-12-13 12:51:27,371 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:27,372 WARN L623 FunctionHandler]: Unknown extern function iscsit_check_dataout_hdr [2022-12-13 12:51:27,372 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,373 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:27,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,374 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:27,374 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,374 WARN L623 FunctionHandler]: Unknown extern function sg_copy_from_buffer [2022-12-13 12:51:27,374 WARN L623 FunctionHandler]: Unknown extern function iscsit_check_dataout_payload [2022-12-13 12:51:27,375 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_nop_out [2022-12-13 12:51:27,375 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_nop_out [2022-12-13 12:51:27,376 WARN L623 FunctionHandler]: Unknown extern function iscsit_setup_text_cmd [2022-12-13 12:51:27,376 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,376 WARN L623 FunctionHandler]: Unknown extern function iscsit_process_text_cmd [2022-12-13 12:51:27,377 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,378 WARN L623 FunctionHandler]: Unknown extern function iscsit_handle_task_mgt_cmd [2022-12-13 12:51:27,378 WARN L623 FunctionHandler]: Unknown extern function iscsit_handle_logout_cmd [2022-12-13 12:51:27,378 WARN L623 FunctionHandler]: Unknown extern function iscsit_find_cmd_from_itt [2022-12-13 12:51:27,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,379 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:27,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,386 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:27,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,390 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,391 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,392 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,410 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,410 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:27,411 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:27,411 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:27,411 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:27,412 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,412 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-13 12:51:27,412 WARN L623 FunctionHandler]: Unknown extern function iscsit_release_cmd [2022-12-13 12:51:27,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,413 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,414 WARN L623 FunctionHandler]: Unknown extern function ib_check_mr_status [2022-12-13 12:51:27,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,415 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,424 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-13 12:51:27,433 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:27,433 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,434 WARN L623 FunctionHandler]: Unknown extern function target_put_sess_cmd [2022-12-13 12:51:27,434 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-13 12:51:27,434 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-13 12:51:27,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,439 WARN L623 FunctionHandler]: Unknown extern function iscsit_tmr_post_handler [2022-12-13 12:51:27,442 WARN L623 FunctionHandler]: Unknown extern function iscsit_logout_post_handler [2022-12-13 12:51:27,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,446 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:27,446 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 12:51:27,447 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 12:51:27,448 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,449 WARN L623 FunctionHandler]: Unknown extern function dump_stack [2022-12-13 12:51:27,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,450 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 12:51:27,451 WARN L623 FunctionHandler]: Unknown extern function iscsit_cause_connection_reinstatement [2022-12-13 12:51:27,452 WARN L623 FunctionHandler]: Unknown extern function ib_wc_status_msg [2022-12-13 12:51:27,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,452 WARN L623 FunctionHandler]: Unknown extern function ib_wc_status_msg [2022-12-13 12:51:27,452 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,454 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_rsp_pdu [2022-12-13 12:51:27,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,464 WARN L623 FunctionHandler]: Unknown extern function iscsit_stop_dataout_timer [2022-12-13 12:51:27,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,470 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_nopin_rsp [2022-12-13 12:51:27,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,471 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_logout_rsp [2022-12-13 12:51:27,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,472 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_task_mgt_rsp [2022-12-13 12:51:27,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,476 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_reject [2022-12-13 12:51:27,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,478 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_text_rsp [2022-12-13 12:51:27,495 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,504 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:27,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,507 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,513 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,514 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-13 12:51:27,521 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,542 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:51:27,543 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 12:51:27,546 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:51:27,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,554 WARN L623 FunctionHandler]: Unknown extern function iscsit_build_rsp_pdu [2022-12-13 12:51:27,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,555 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,566 WARN L623 FunctionHandler]: Unknown extern function rdma_create_id [2022-12-13 12:51:27,566 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,567 WARN L623 FunctionHandler]: Unknown extern function rdma_bind_addr [2022-12-13 12:51:27,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,567 WARN L623 FunctionHandler]: Unknown extern function rdma_listen [2022-12-13 12:51:27,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,568 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:27,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,569 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:51:27,569 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,570 WARN L623 FunctionHandler]: Unknown extern function rdma_accept [2022-12-13 12:51:27,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,571 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-13 12:51:27,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,572 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_interruptible [2022-12-13 12:51:27,572 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,573 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:51:27,574 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 12:51:27,575 WARN L623 FunctionHandler]: Unknown extern function down_interruptible [2022-12-13 12:51:27,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,577 WARN L623 FunctionHandler]: Unknown extern function rdma_destroy_id [2022-12-13 12:51:27,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:51:27,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,579 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 12:51:27,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,580 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-13 12:51:27,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,581 WARN L623 FunctionHandler]: Unknown extern function target_sess_cmd_list_set_waiting [2022-12-13 12:51:27,581 WARN L623 FunctionHandler]: Unknown extern function target_wait_for_sess_cmds [2022-12-13 12:51:27,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,582 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 12:51:27,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,584 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 12:51:27,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,584 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-13 12:51:27,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,585 WARN L623 FunctionHandler]: Unknown extern function iscsit_register_transport [2022-12-13 12:51:27,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,585 WARN L623 FunctionHandler]: Unknown extern function iscsit_unregister_transport [2022-12-13 12:51:27,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 12:51:27,591 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 12:51:27,594 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:51:27,594 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 12:51:27,594 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 12:51:27,594 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 12:51:27,595 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 12:51:27,595 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,595 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,595 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,595 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,596 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,600 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:51:27,601 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:27,602 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:27,602 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-13 12:51:27,602 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_499736b3-500e-4f8d-9054-d763c7e8cbf6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2022-12-13 12:51:27,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,616 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 12:51:27,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:51:27,693 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:51:27,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27 WrapperNode [2022-12-13 12:51:27,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:51:27,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:51:27,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:51:27,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:51:27,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,865 INFO L138 Inliner]: procedures = 483, calls = 2841, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 6850 [2022-12-13 12:51:27,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:51:27,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:51:27,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:51:27,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:51:27,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:27,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:28,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:28,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:28,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:51:28,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:51:28,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:51:28,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:51:28,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (1/1) ... [2022-12-13 12:51:28,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:51:28,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:28,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:28,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2022-12-13 12:51:28,133 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2022-12-13 12:51:28,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:51:28,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:51:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2022-12-13 12:51:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:51:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-12-13 12:51:28,136 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-12-13 12:51:28,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2022-12-13 12:51:28,137 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2022-12-13 12:51:28,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2022-12-13 12:51:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2022-12-13 12:51:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-12-13 12:51:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-12-13 12:51:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2022-12-13 12:51:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:51:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2022-12-13 12:51:28,141 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-13 12:51:28,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2022-12-13 12:51:28,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2022-12-13 12:51:28,142 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2022-12-13 12:51:28,143 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-12-13 12:51:28,143 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2022-12-13 12:51:28,144 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2022-12-13 12:51:28,144 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2022-12-13 12:51:28,881 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:51:28,885 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:51:29,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 12:51:35,099 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:51:35,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:51:35,112 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 12:51:35,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:35 BoogieIcfgContainer [2022-12-13 12:51:35,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:51:35,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:51:35,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:51:35,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:51:35,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:51:24" (1/3) ... [2022-12-13 12:51:35,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a17d908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:51:35, skipping insertion in model container [2022-12-13 12:51:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:27" (2/3) ... [2022-12-13 12:51:35,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a17d908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:51:35, skipping insertion in model container [2022-12-13 12:51:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:35" (3/3) ... [2022-12-13 12:51:35,121 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2022-12-13 12:51:35,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:51:35,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:51:35,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:51:35,200 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b433dc2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:51:35,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:51:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 2303 states, 1581 states have (on average 1.3238456672991776) internal successors, (2093), 1641 states have internal predecessors, (2093), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) [2022-12-13 12:51:35,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 12:51:35,220 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:51:35,220 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:51:35,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:51:35,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:35,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1060256498, now seen corresponding path program 1 times [2022-12-13 12:51:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:35,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2626286] [2022-12-13 12:51:35,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:35,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:51:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:51:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:51:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:51:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:51:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:51:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:51:35,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:51:35,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2626286] [2022-12-13 12:51:35,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2626286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:51:35,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:51:35,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:51:35,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267823940] [2022-12-13 12:51:35,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:51:35,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:51:35,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:51:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:51:35,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:51:35,893 INFO L87 Difference]: Start difference. First operand has 2303 states, 1581 states have (on average 1.3238456672991776) internal successors, (2093), 1641 states have internal predecessors, (2093), 590 states have call successors, (590), 131 states have call predecessors, (590), 130 states have return successors, (584), 573 states have call predecessors, (584), 584 states have call successors, (584) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:51:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:51:40,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:51:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:51:47,421 INFO L93 Difference]: Finished difference Result 5351 states and 8031 transitions. [2022-12-13 12:51:47,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:51:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2022-12-13 12:51:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:51:47,446 INFO L225 Difference]: With dead ends: 5351 [2022-12-13 12:51:47,446 INFO L226 Difference]: Without dead ends: 3030 [2022-12-13 12:51:47,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:51:47,478 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 2679 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 2074 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2748 SdHoareTripleChecker+Valid, 5013 SdHoareTripleChecker+Invalid, 4901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2074 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:51:47,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2748 Valid, 5013 Invalid, 4901 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2074 Valid, 2825 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2022-12-13 12:51:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2022-12-13 12:51:47,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2280. [2022-12-13 12:51:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2280 states, 1566 states have (on average 1.3148148148148149) internal successors, (2059), 1618 states have internal predecessors, (2059), 584 states have call successors, (584), 130 states have call predecessors, (584), 129 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-13 12:51:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 3215 transitions. [2022-12-13 12:51:47,655 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 3215 transitions. Word has length 82 [2022-12-13 12:51:47,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:51:47,656 INFO L495 AbstractCegarLoop]: Abstraction has 2280 states and 3215 transitions. [2022-12-13 12:51:47,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:51:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3215 transitions. [2022-12-13 12:51:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-13 12:51:47,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:51:47,659 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:51:47,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:51:47,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:51:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash 92905844, now seen corresponding path program 1 times [2022-12-13 12:51:47,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:47,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965317039] [2022-12-13 12:51:47,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:51:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:51:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:51:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:51:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:51:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:51:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:51:48,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:51:48,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965317039] [2022-12-13 12:51:48,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965317039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:51:48,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:51:48,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:51:48,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287245583] [2022-12-13 12:51:48,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:51:48,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:51:48,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:51:48,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:51:48,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:51:48,077 INFO L87 Difference]: Start difference. First operand 2280 states and 3215 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:51:50,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:51:56,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:51:56,558 INFO L93 Difference]: Finished difference Result 3049 states and 4537 transitions. [2022-12-13 12:51:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:51:56,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 82 [2022-12-13 12:51:56,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:51:56,570 INFO L225 Difference]: With dead ends: 3049 [2022-12-13 12:51:56,571 INFO L226 Difference]: Without dead ends: 3045 [2022-12-13 12:51:56,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:51:56,573 INFO L413 NwaCegarLoop]: 2350 mSDtfsCounter, 6720 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 3680 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7061 SdHoareTripleChecker+Valid, 3875 SdHoareTripleChecker+Invalid, 5807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3680 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:51:56,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7061 Valid, 3875 Invalid, 5807 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3680 Valid, 2126 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-13 12:51:56,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-12-13 12:51:56,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2293. [2022-12-13 12:51:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 1576 states have (on average 1.3115482233502538) internal successors, (2067), 1626 states have internal predecessors, (2067), 582 states have call successors, (582), 135 states have call predecessors, (582), 134 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-13 12:51:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 3221 transitions. [2022-12-13 12:51:56,667 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 3221 transitions. Word has length 82 [2022-12-13 12:51:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:51:56,667 INFO L495 AbstractCegarLoop]: Abstraction has 2293 states and 3221 transitions. [2022-12-13 12:51:56,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:51:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 3221 transitions. [2022-12-13 12:51:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 12:51:56,669 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:51:56,669 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:51:56,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:51:56,670 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:51:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1415861714, now seen corresponding path program 1 times [2022-12-13 12:51:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118620301] [2022-12-13 12:51:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:51:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:51:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:51:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:51:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:51:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:51:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:51:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:51:57,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:51:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118620301] [2022-12-13 12:51:57,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118620301] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:51:57,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:51:57,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:51:57,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089820848] [2022-12-13 12:51:57,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:51:57,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:51:57,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:51:57,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:51:57,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:51:57,014 INFO L87 Difference]: Start difference. First operand 2293 states and 3221 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:51:59,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:01,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:08,524 INFO L93 Difference]: Finished difference Result 3045 states and 4532 transitions. [2022-12-13 12:52:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:52:08,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2022-12-13 12:52:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:08,534 INFO L225 Difference]: With dead ends: 3045 [2022-12-13 12:52:08,534 INFO L226 Difference]: Without dead ends: 3042 [2022-12-13 12:52:08,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:52:08,536 INFO L413 NwaCegarLoop]: 2325 mSDtfsCounter, 5831 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 2760 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6175 SdHoareTripleChecker+Valid, 4882 SdHoareTripleChecker+Invalid, 5623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2760 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:08,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6175 Valid, 4882 Invalid, 5623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2760 Valid, 2861 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 12:52:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2022-12-13 12:52:08,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 2292. [2022-12-13 12:52:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2292 states, 1576 states have (on average 1.3109137055837563) internal successors, (2066), 1625 states have internal predecessors, (2066), 581 states have call successors, (581), 135 states have call predecessors, (581), 134 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-13 12:52:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2292 states and 3219 transitions. [2022-12-13 12:52:08,632 INFO L78 Accepts]: Start accepts. Automaton has 2292 states and 3219 transitions. Word has length 83 [2022-12-13 12:52:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:08,632 INFO L495 AbstractCegarLoop]: Abstraction has 2292 states and 3219 transitions. [2022-12-13 12:52:08,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 3219 transitions. [2022-12-13 12:52:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 12:52:08,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:08,634 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:52:08,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:52:08,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:52:08,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:08,634 INFO L85 PathProgramCache]: Analyzing trace with hash -943010889, now seen corresponding path program 1 times [2022-12-13 12:52:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:08,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865521027] [2022-12-13 12:52:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:52:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:52:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:52:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:52:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:52:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:52:08,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:08,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865521027] [2022-12-13 12:52:08,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865521027] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:08,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:08,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:52:08,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625623336] [2022-12-13 12:52:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:08,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:52:08,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:08,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:52:08,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:52:08,989 INFO L87 Difference]: Start difference. First operand 2292 states and 3219 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:11,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:17,060 INFO L93 Difference]: Finished difference Result 3044 states and 4530 transitions. [2022-12-13 12:52:17,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:52:17,060 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-12-13 12:52:17,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:17,071 INFO L225 Difference]: With dead ends: 3044 [2022-12-13 12:52:17,071 INFO L226 Difference]: Without dead ends: 3041 [2022-12-13 12:52:17,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:52:17,072 INFO L413 NwaCegarLoop]: 2342 mSDtfsCounter, 6718 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 3693 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7062 SdHoareTripleChecker+Valid, 3843 SdHoareTripleChecker+Invalid, 5766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:17,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7062 Valid, 3843 Invalid, 5766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3693 Valid, 2072 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-13 12:52:17,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3041 states. [2022-12-13 12:52:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3041 to 2291. [2022-12-13 12:52:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2291 states, 1576 states have (on average 1.3102791878172588) internal successors, (2065), 1624 states have internal predecessors, (2065), 580 states have call successors, (580), 135 states have call predecessors, (580), 134 states have return successors, (572), 561 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-13 12:52:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 2291 states and 3217 transitions. [2022-12-13 12:52:17,174 INFO L78 Accepts]: Start accepts. Automaton has 2291 states and 3217 transitions. Word has length 84 [2022-12-13 12:52:17,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:17,175 INFO L495 AbstractCegarLoop]: Abstraction has 2291 states and 3217 transitions. [2022-12-13 12:52:17,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:17,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 3217 transitions. [2022-12-13 12:52:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 12:52:17,176 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:17,176 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:52:17,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:52:17,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:52:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:17,177 INFO L85 PathProgramCache]: Analyzing trace with hash 161109728, now seen corresponding path program 1 times [2022-12-13 12:52:17,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:17,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244822240] [2022-12-13 12:52:17,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:17,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:52:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:52:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:52:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:52:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:52:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:52:17,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:17,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244822240] [2022-12-13 12:52:17,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244822240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:17,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:17,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:52:17,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077186836] [2022-12-13 12:52:17,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:17,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:52:17,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:17,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:52:17,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:52:17,422 INFO L87 Difference]: Start difference. First operand 2291 states and 3217 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 12:52:22,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:24,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:26,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:36,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:36,235 INFO L93 Difference]: Finished difference Result 7848 states and 11452 transitions. [2022-12-13 12:52:36,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:52:36,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 86 [2022-12-13 12:52:36,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:36,253 INFO L225 Difference]: With dead ends: 7848 [2022-12-13 12:52:36,254 INFO L226 Difference]: Without dead ends: 5578 [2022-12-13 12:52:36,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:52:36,260 INFO L413 NwaCegarLoop]: 2683 mSDtfsCounter, 6881 mSDsluCounter, 5876 mSDsCounter, 0 mSdLazyCounter, 6585 mSolverCounterSat, 4108 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7195 SdHoareTripleChecker+Valid, 8559 SdHoareTripleChecker+Invalid, 10696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4108 IncrementalHoareTripleChecker+Valid, 6585 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:36,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7195 Valid, 8559 Invalid, 10696 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4108 Valid, 6585 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-12-13 12:52:36,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5578 states. [2022-12-13 12:52:36,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5578 to 4084. [2022-12-13 12:52:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4084 states, 2820 states have (on average 1.3067375886524824) internal successors, (3685), 2908 states have internal predecessors, (3685), 1002 states have call successors, (1002), 262 states have call predecessors, (1002), 261 states have return successors, (994), 971 states have call predecessors, (994), 994 states have call successors, (994) [2022-12-13 12:52:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4084 states to 4084 states and 5681 transitions. [2022-12-13 12:52:36,493 INFO L78 Accepts]: Start accepts. Automaton has 4084 states and 5681 transitions. Word has length 86 [2022-12-13 12:52:36,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:36,493 INFO L495 AbstractCegarLoop]: Abstraction has 4084 states and 5681 transitions. [2022-12-13 12:52:36,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-12-13 12:52:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 4084 states and 5681 transitions. [2022-12-13 12:52:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 12:52:36,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:36,495 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:52:36,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:52:36,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:52:36,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:36,496 INFO L85 PathProgramCache]: Analyzing trace with hash 830467665, now seen corresponding path program 1 times [2022-12-13 12:52:36,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:36,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015552159] [2022-12-13 12:52:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:36,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:52:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:52:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:52:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:52:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:52:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:36,909 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:52:36,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:36,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015552159] [2022-12-13 12:52:36,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015552159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:36,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:36,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:52:36,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778221870] [2022-12-13 12:52:36,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:36,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:52:36,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:36,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:52:36,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:52:36,910 INFO L87 Difference]: Start difference. First operand 4084 states and 5681 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:41,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:43,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:49,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:49,830 INFO L93 Difference]: Finished difference Result 5560 states and 8239 transitions. [2022-12-13 12:52:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:52:49,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 85 [2022-12-13 12:52:49,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:49,853 INFO L225 Difference]: With dead ends: 5560 [2022-12-13 12:52:49,853 INFO L226 Difference]: Without dead ends: 5557 [2022-12-13 12:52:49,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:52:49,856 INFO L413 NwaCegarLoop]: 2338 mSDtfsCounter, 5410 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 3620 mSolverCounterSat, 2607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5753 SdHoareTripleChecker+Valid, 6086 SdHoareTripleChecker+Invalid, 6229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2607 IncrementalHoareTripleChecker+Valid, 3620 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:49,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5753 Valid, 6086 Invalid, 6229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2607 Valid, 3620 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2022-12-13 12:52:49,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5557 states. [2022-12-13 12:52:50,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5557 to 4083. [2022-12-13 12:52:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4083 states, 2820 states have (on average 1.3063829787234043) internal successors, (3684), 2907 states have internal predecessors, (3684), 1001 states have call successors, (1001), 262 states have call predecessors, (1001), 261 states have return successors, (994), 971 states have call predecessors, (994), 994 states have call successors, (994) [2022-12-13 12:52:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 4083 states and 5679 transitions. [2022-12-13 12:52:50,096 INFO L78 Accepts]: Start accepts. Automaton has 4083 states and 5679 transitions. Word has length 85 [2022-12-13 12:52:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:50,097 INFO L495 AbstractCegarLoop]: Abstraction has 4083 states and 5679 transitions. [2022-12-13 12:52:50,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4083 states and 5679 transitions. [2022-12-13 12:52:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-13 12:52:50,098 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:50,098 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:52:50,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:52:50,098 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:52:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:50,099 INFO L85 PathProgramCache]: Analyzing trace with hash -26267142, now seen corresponding path program 1 times [2022-12-13 12:52:50,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:50,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797445181] [2022-12-13 12:52:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:52:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:52:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:52:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:52:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:52:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:52:50,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:50,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797445181] [2022-12-13 12:52:50,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797445181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:50,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:50,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:52:50,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952451663] [2022-12-13 12:52:50,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:50,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:52:50,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:50,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:52:50,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:52:50,406 INFO L87 Difference]: Start difference. First operand 4083 states and 5679 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:54,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:52:58,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:52:58,252 INFO L93 Difference]: Finished difference Result 5579 states and 8250 transitions. [2022-12-13 12:52:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:52:58,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2022-12-13 12:52:58,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:52:58,271 INFO L225 Difference]: With dead ends: 5579 [2022-12-13 12:52:58,271 INFO L226 Difference]: Without dead ends: 5575 [2022-12-13 12:52:58,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:52:58,274 INFO L413 NwaCegarLoop]: 2357 mSDtfsCounter, 6661 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 2123 mSolverCounterSat, 3646 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6983 SdHoareTripleChecker+Valid, 3882 SdHoareTripleChecker+Invalid, 5770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3646 IncrementalHoareTripleChecker+Valid, 2123 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-12-13 12:52:58,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6983 Valid, 3882 Invalid, 5770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3646 Valid, 2123 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2022-12-13 12:52:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2022-12-13 12:52:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 4099. [2022-12-13 12:52:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 2832 states have (on average 1.3040254237288136) internal successors, (3693), 2917 states have internal predecessors, (3693), 999 states have call successors, (999), 268 states have call predecessors, (999), 267 states have return successors, (994), 971 states have call predecessors, (994), 994 states have call successors, (994) [2022-12-13 12:52:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5686 transitions. [2022-12-13 12:52:58,502 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5686 transitions. Word has length 86 [2022-12-13 12:52:58,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:52:58,503 INFO L495 AbstractCegarLoop]: Abstraction has 4099 states and 5686 transitions. [2022-12-13 12:52:58,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:52:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5686 transitions. [2022-12-13 12:52:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-13 12:52:58,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:52:58,504 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 12:52:58,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:52:58,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:52:58,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:52:58,504 INFO L85 PathProgramCache]: Analyzing trace with hash -815237516, now seen corresponding path program 1 times [2022-12-13 12:52:58,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:52:58,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507994000] [2022-12-13 12:52:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:52:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:52:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:52:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:52:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:52:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:52:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:52:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:52:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:52:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:52:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:52:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:52:58,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507994000] [2022-12-13 12:52:58,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507994000] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:52:58,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:52:58,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 12:52:58,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69514295] [2022-12-13 12:52:58,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:52:58,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:52:58,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:52:58,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:52:58,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:52:58,832 INFO L87 Difference]: Start difference. First operand 4099 states and 5686 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:53:03,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:05,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:07,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:53:15,459 INFO L93 Difference]: Finished difference Result 6106 states and 8923 transitions. [2022-12-13 12:53:15,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:53:15,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2022-12-13 12:53:15,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:53:15,476 INFO L225 Difference]: With dead ends: 6106 [2022-12-13 12:53:15,476 INFO L226 Difference]: Without dead ends: 6086 [2022-12-13 12:53:15,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 12:53:15,483 INFO L413 NwaCegarLoop]: 2369 mSDtfsCounter, 5590 mSDsluCounter, 3819 mSDsCounter, 0 mSdLazyCounter, 4073 mSolverCounterSat, 2717 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5941 SdHoareTripleChecker+Valid, 6188 SdHoareTripleChecker+Invalid, 6793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2717 IncrementalHoareTripleChecker+Valid, 4073 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:53:15,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5941 Valid, 6188 Invalid, 6793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2717 Valid, 4073 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-12-13 12:53:15,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2022-12-13 12:53:15,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 4509. [2022-12-13 12:53:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4509 states, 3103 states have (on average 1.29326458266194) internal successors, (4013), 3193 states have internal predecessors, (4013), 1084 states have call successors, (1084), 322 states have call predecessors, (1084), 321 states have return successors, (1079), 1057 states have call predecessors, (1079), 1079 states have call successors, (1079) [2022-12-13 12:53:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 4509 states and 6176 transitions. [2022-12-13 12:53:15,759 INFO L78 Accepts]: Start accepts. Automaton has 4509 states and 6176 transitions. Word has length 87 [2022-12-13 12:53:15,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:53:15,759 INFO L495 AbstractCegarLoop]: Abstraction has 4509 states and 6176 transitions. [2022-12-13 12:53:15,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:53:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4509 states and 6176 transitions. [2022-12-13 12:53:15,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 12:53:15,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:53:15,761 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:53:15,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:53:15,761 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:53:15,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:53:15,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1202509481, now seen corresponding path program 1 times [2022-12-13 12:53:15,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:53:15,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955423180] [2022-12-13 12:53:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:53:15,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:53:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:53:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:53:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:53:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:53:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:53:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-12-13 12:53:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 12:53:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 12:53:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 12:53:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-13 12:53:16,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:53:16,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955423180] [2022-12-13 12:53:16,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955423180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:53:16,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:53:16,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:53:16,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674214563] [2022-12-13 12:53:16,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:53:16,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:53:16,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:53:16,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:53:16,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:53:16,106 INFO L87 Difference]: Start difference. First operand 4509 states and 6176 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:53:21,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:23,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:53:31,743 INFO L93 Difference]: Finished difference Result 6705 states and 9957 transitions. [2022-12-13 12:53:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 12:53:31,744 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 107 [2022-12-13 12:53:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:53:31,764 INFO L225 Difference]: With dead ends: 6705 [2022-12-13 12:53:31,764 INFO L226 Difference]: Without dead ends: 6684 [2022-12-13 12:53:31,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 12:53:31,768 INFO L413 NwaCegarLoop]: 1384 mSDtfsCounter, 4853 mSDsluCounter, 3460 mSDsCounter, 0 mSdLazyCounter, 7729 mSolverCounterSat, 3297 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 4844 SdHoareTripleChecker+Invalid, 11028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3297 IncrementalHoareTripleChecker+Valid, 7729 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:53:31,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5135 Valid, 4844 Invalid, 11028 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3297 Valid, 7729 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-12-13 12:53:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6684 states. [2022-12-13 12:53:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6684 to 4490. [2022-12-13 12:53:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4490 states, 3095 states have (on average 1.292730210016155) internal successors, (4001), 3182 states have internal predecessors, (4001), 1073 states have call successors, (1073), 322 states have call predecessors, (1073), 321 states have return successors, (1071), 1049 states have call predecessors, (1071), 1071 states have call successors, (1071) [2022-12-13 12:53:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6145 transitions. [2022-12-13 12:53:32,064 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6145 transitions. Word has length 107 [2022-12-13 12:53:32,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:53:32,065 INFO L495 AbstractCegarLoop]: Abstraction has 4490 states and 6145 transitions. [2022-12-13 12:53:32,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (15), 7 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 12:53:32,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6145 transitions. [2022-12-13 12:53:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 12:53:32,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:53:32,073 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:53:32,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:53:32,073 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:53:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:53:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1394797761, now seen corresponding path program 1 times [2022-12-13 12:53:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:53:32,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382288081] [2022-12-13 12:53:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:53:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:53:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:53:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:53:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:53:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:53:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:53:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 12:53:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 12:53:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 12:53:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 12:53:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 12:53:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-12-13 12:53:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 12:53:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 12:53:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 12:53:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 12:53:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 12:53:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:53:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-13 12:53:32,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:53:32,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382288081] [2022-12-13 12:53:32,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382288081] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:53:32,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773524354] [2022-12-13 12:53:32,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:53:32,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:53:32,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:53:32,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:53:32,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:53:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:33,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 3008 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 12:53:33,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:53:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-13 12:53:33,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:53:33,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773524354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:53:33,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:53:33,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 18 [2022-12-13 12:53:33,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036682914] [2022-12-13 12:53:33,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:53:33,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:53:33,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:53:33,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:53:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2022-12-13 12:53:33,800 INFO L87 Difference]: Start difference. First operand 4490 states and 6145 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 12:53:34,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:53:34,220 INFO L93 Difference]: Finished difference Result 8602 states and 11829 transitions. [2022-12-13 12:53:34,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 12:53:34,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 168 [2022-12-13 12:53:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:53:34,237 INFO L225 Difference]: With dead ends: 8602 [2022-12-13 12:53:34,237 INFO L226 Difference]: Without dead ends: 4143 [2022-12-13 12:53:34,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2022-12-13 12:53:34,251 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 32 mSDsluCounter, 15602 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 18742 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:53:34,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 18742 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:53:34,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2022-12-13 12:53:34,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4143. [2022-12-13 12:53:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4143 states, 2868 states have (on average 1.295676429567643) internal successors, (3716), 2944 states have internal predecessors, (3716), 989 states have call successors, (989), 286 states have call predecessors, (989), 285 states have return successors, (987), 973 states have call predecessors, (987), 987 states have call successors, (987) [2022-12-13 12:53:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 5692 transitions. [2022-12-13 12:53:34,519 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 5692 transitions. Word has length 168 [2022-12-13 12:53:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:53:34,519 INFO L495 AbstractCegarLoop]: Abstraction has 4143 states and 5692 transitions. [2022-12-13 12:53:34,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 5 states have internal predecessors, (90), 4 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-13 12:53:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 5692 transitions. [2022-12-13 12:53:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 12:53:34,527 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:53:34,527 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:53:34,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:53:34,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 12:53:34,728 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:53:34,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:53:34,728 INFO L85 PathProgramCache]: Analyzing trace with hash -729664352, now seen corresponding path program 1 times [2022-12-13 12:53:34,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:53:34,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352046269] [2022-12-13 12:53:34,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:53:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:53:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:53:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:53:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:53:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:53:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:53:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 12:53:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 12:53:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:53:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:53:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-12-13 12:53:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 12:53:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 12:53:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-12-13 12:53:35,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:53:35,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352046269] [2022-12-13 12:53:35,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352046269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:53:35,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:53:35,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 12:53:35,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976578413] [2022-12-13 12:53:35,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:53:35,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 12:53:35,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:53:35,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 12:53:35,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 12:53:35,226 INFO L87 Difference]: Start difference. First operand 4143 states and 5692 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 12:53:41,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:53:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:53:49,088 INFO L93 Difference]: Finished difference Result 9759 states and 13938 transitions. [2022-12-13 12:53:49,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:53:49,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 181 [2022-12-13 12:53:49,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:53:49,114 INFO L225 Difference]: With dead ends: 9759 [2022-12-13 12:53:49,114 INFO L226 Difference]: Without dead ends: 5641 [2022-12-13 12:53:49,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-12-13 12:53:49,128 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 5765 mSDsluCounter, 2381 mSDsCounter, 0 mSdLazyCounter, 10104 mSolverCounterSat, 3841 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6058 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 13946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3841 IncrementalHoareTripleChecker+Valid, 10104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-12-13 12:53:49,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6058 Valid, 3242 Invalid, 13946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3841 Valid, 10104 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2022-12-13 12:53:49,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5641 states. [2022-12-13 12:53:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5641 to 4143. [2022-12-13 12:53:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4143 states, 2868 states have (on average 1.294979079497908) internal successors, (3714), 2944 states have internal predecessors, (3714), 989 states have call successors, (989), 286 states have call predecessors, (989), 285 states have return successors, (987), 973 states have call predecessors, (987), 987 states have call successors, (987) [2022-12-13 12:53:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 4143 states and 5690 transitions. [2022-12-13 12:53:49,427 INFO L78 Accepts]: Start accepts. Automaton has 4143 states and 5690 transitions. Word has length 181 [2022-12-13 12:53:49,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:53:49,427 INFO L495 AbstractCegarLoop]: Abstraction has 4143 states and 5690 transitions. [2022-12-13 12:53:49,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 12:53:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 5690 transitions. [2022-12-13 12:53:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-13 12:53:49,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:53:49,435 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:53:49,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 12:53:49,436 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:53:49,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:53:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash 616170603, now seen corresponding path program 1 times [2022-12-13 12:53:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:53:49,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386848350] [2022-12-13 12:53:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:53:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:53:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:53:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:53:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:53:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:53:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:53:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-12-13 12:53:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 12:53:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 12:53:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 12:53:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 12:53:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 12:53:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:53:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:53:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 12:53:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-12-13 12:53:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 12:53:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:53:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 12:53:49,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:53:49,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386848350] [2022-12-13 12:53:49,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386848350] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:53:49,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:53:49,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 12:53:49,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180347171] [2022-12-13 12:53:49,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:53:49,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 12:53:49,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:53:49,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 12:53:49,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:53:49,967 INFO L87 Difference]: Start difference. First operand 4143 states and 5690 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 12:53:55,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:54:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:01,987 INFO L93 Difference]: Finished difference Result 5646 states and 8275 transitions. [2022-12-13 12:54:01,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 12:54:01,987 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 197 [2022-12-13 12:54:01,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:02,004 INFO L225 Difference]: With dead ends: 5646 [2022-12-13 12:54:02,004 INFO L226 Difference]: Without dead ends: 5643 [2022-12-13 12:54:02,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:54:02,006 INFO L413 NwaCegarLoop]: 857 mSDtfsCounter, 5998 mSDsluCounter, 1640 mSDsCounter, 0 mSdLazyCounter, 7782 mSolverCounterSat, 4139 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6296 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 11922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4139 IncrementalHoareTripleChecker+Valid, 7782 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:02,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6296 Valid, 2497 Invalid, 11922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4139 Valid, 7782 Invalid, 1 Unknown, 0 Unchecked, 11.3s Time] [2022-12-13 12:54:02,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5643 states. [2022-12-13 12:54:02,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5643 to 4142. [2022-12-13 12:54:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 2868 states have (on average 1.2946304044630403) internal successors, (3713), 2943 states have internal predecessors, (3713), 988 states have call successors, (988), 286 states have call predecessors, (988), 285 states have return successors, (987), 973 states have call predecessors, (987), 987 states have call successors, (987) [2022-12-13 12:54:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 5688 transitions. [2022-12-13 12:54:02,298 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 5688 transitions. Word has length 197 [2022-12-13 12:54:02,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:02,308 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 5688 transitions. [2022-12-13 12:54:02,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 12:54:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 5688 transitions. [2022-12-13 12:54:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 12:54:02,317 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:02,317 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-13 12:54:02,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 12:54:02,317 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:54:02,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:02,317 INFO L85 PathProgramCache]: Analyzing trace with hash -438696050, now seen corresponding path program 1 times [2022-12-13 12:54:02,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:02,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266266116] [2022-12-13 12:54:02,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:02,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:54:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 12:54:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:54:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:54:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:54:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:54:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:54:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:54:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 12:54:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:54:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 12:54:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-12-13 12:54:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 12:54:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 12:54:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 12:54:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 12:54:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-12-13 12:54:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 12:54:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 12:54:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 12:54:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-12-13 12:54:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 12:54:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 12:54:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 12:54:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 12:54:03,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:03,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266266116] [2022-12-13 12:54:03,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266266116] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:54:03,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918747593] [2022-12-13 12:54:03,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:03,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:54:03,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:03,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:54:03,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:54:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:03,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:54:03,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-12-13 12:54:03,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:54:03,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918747593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:03,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:54:03,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2022-12-13 12:54:03,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712535613] [2022-12-13 12:54:03,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:03,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:54:03,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:03,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:54:03,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:54:03,842 INFO L87 Difference]: Start difference. First operand 4142 states and 5688 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 12:54:04,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:04,139 INFO L93 Difference]: Finished difference Result 4142 states and 5688 transitions. [2022-12-13 12:54:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:54:04,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 187 [2022-12-13 12:54:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:04,140 INFO L225 Difference]: With dead ends: 4142 [2022-12-13 12:54:04,140 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:54:04,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-12-13 12:54:04,152 INFO L413 NwaCegarLoop]: 3156 mSDtfsCounter, 68 mSDsluCounter, 3076 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 6232 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:04,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 6232 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:54:04,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:54:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:54:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:54:04,154 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2022-12-13 12:54:04,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:04,154 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:54:04,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 12:54:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:54:04,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:54:04,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:54:04,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:54:04,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499736b3-500e-4f8d-9054-d763c7e8cbf6/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-13 12:54:04,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:54:39,632 WARN L233 SmtUtils]: Spent 35.23s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:55:16,093 WARN L233 SmtUtils]: Spent 36.46s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:55:52,663 WARN L233 SmtUtils]: Spent 36.57s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:56:27,556 WARN L233 SmtUtils]: Spent 34.89s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:57:04,900 WARN L233 SmtUtils]: Spent 37.34s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:57:40,544 WARN L233 SmtUtils]: Spent 35.64s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:58:16,073 WARN L233 SmtUtils]: Spent 35.53s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:58:51,063 WARN L233 SmtUtils]: Spent 34.99s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 12:59:26,343 WARN L233 SmtUtils]: Spent 35.28s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:00:04,887 WARN L233 SmtUtils]: Spent 38.54s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:00:41,398 WARN L233 SmtUtils]: Spent 36.51s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:01:17,978 WARN L233 SmtUtils]: Spent 36.58s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:01:54,448 WARN L233 SmtUtils]: Spent 36.47s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:02:29,206 WARN L233 SmtUtils]: Spent 34.76s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:03:05,722 WARN L233 SmtUtils]: Spent 36.51s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:03:42,286 WARN L233 SmtUtils]: Spent 36.56s on a formula simplification. DAG size of input: 70 DAG size of output: 67 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:04:17,061 WARN L233 SmtUtils]: Spent 34.77s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:04:51,828 WARN L233 SmtUtils]: Spent 34.76s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 13:05:24,180 WARN L233 SmtUtils]: Spent 26.77s on a formula simplification. DAG size of input: 74 DAG size of output: 71 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)