./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--misc--vmw_vmci--vmw_vmci.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/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_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/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_85b69c8e-0964-4dfd-a735-602f9f26d6e3/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 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- 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 20:31:41,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:31:41,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:31:41,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:31:41,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:31:41,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:31:41,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:31:41,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:31:41,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:31:41,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:31:41,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:31:41,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:31:41,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:31:41,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:31:41,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:31:41,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:31:41,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:31:41,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:31:41,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:31:41,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:31:41,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:31:41,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:31:41,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:31:41,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:31:41,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:31:41,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:31:41,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:31:41,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:31:41,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:31:41,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:31:41,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:31:41,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:31:41,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:31:41,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:31:41,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:31:41,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:31:41,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:31:41,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:31:41,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:31:41,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:31:41,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:31:41,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 20:31:41,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:31:41,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:31:41,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:31:41,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:31:41,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:31:41,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:31:41,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:31:41,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:31:41,738 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:31:41,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:31:41,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:31:41,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:31:41,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:31:41,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:31:41,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:31:41,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:31:41,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:31:41,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:31:41,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:31:41,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:31:41,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:31:41,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:31:41,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:31:41,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:31:41,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:31:41,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:31:41,743 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:31:41,743 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_85b69c8e-0964-4dfd-a735-602f9f26d6e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-12-13 20:31:41,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:31:41,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:31:41,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:31:41,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:31:41,959 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:31:41,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-12-13 20:31:44,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:31:45,113 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:31:45,114 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-12-13 20:31:45,165 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/data/9ee6c3d68/e26b1b11b17e4d98abf422617a3b5831/FLAGa77e4a7f2 [2022-12-13 20:31:45,176 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/data/9ee6c3d68/e26b1b11b17e4d98abf422617a3b5831 [2022-12-13 20:31:45,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:31:45,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:31:45,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:31:45,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:31:45,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:31:45,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:31:45" (1/1) ... [2022-12-13 20:31:45,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55097703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:45, skipping insertion in model container [2022-12-13 20:31:45,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:31:45" (1/1) ... [2022-12-13 20:31:45,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:31:45,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:31:45,708 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:31:45,786 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 20:31:45,947 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:45,956 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:45,983 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 20:31:45,989 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 20:31:46,019 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 20:31:46,029 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 20:31:46,035 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 20:31:46,045 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,046 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:46,046 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:46,052 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,052 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:46,053 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:46,110 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:31:46,115 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:31:46,134 WARN L623 FunctionHandler]: Unknown extern function creds_are_invalid [2022-12-13 20:31:46,134 WARN L623 FunctionHandler]: Unknown extern function __invalid_creds [2022-12-13 20:31:46,149 WARN L623 FunctionHandler]: Unknown extern function __put_cred [2022-12-13 20:31:46,158 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:46,211 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:46,217 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:46,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,391 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:31:46,392 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:46,396 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,406 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,407 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,409 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,411 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,419 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,420 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:46,422 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,422 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,424 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,425 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:46,433 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:46,434 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:46,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,434 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,436 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:46,436 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,437 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,440 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:46,442 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,443 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 20:31:46,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,458 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,485 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:46,492 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,492 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,493 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,493 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:46,494 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,494 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:46,494 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:46,495 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:46,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:46,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,693 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:46,693 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:46,695 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,705 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:46,705 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:46,708 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,716 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,717 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,717 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,717 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:46,718 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,718 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:46,718 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:46,771 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 20:31:46,775 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 20:31:46,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,920 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:46,921 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:46,922 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,922 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,924 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:46,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:46,929 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,930 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,930 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:46,931 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:46,931 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:46,931 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:46,932 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,000 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,029 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:31:47,031 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,031 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,031 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,032 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:47,032 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,032 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,033 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,073 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:47,079 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:47,094 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:47,094 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:47,094 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:47,099 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:47,100 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:47,100 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:47,127 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:31:47,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,139 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:47,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,151 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:47,151 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:47,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,156 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,156 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,157 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,157 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:47,158 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,158 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,158 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,158 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,159 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,159 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,159 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,239 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 20:31:47,243 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 20:31:47,248 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:31:47,338 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 20:31:47,370 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 20:31:47,387 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 20:31:47,440 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-13 20:31:47,449 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-13 20:31:47,487 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:31:47,487 WARN L623 FunctionHandler]: Unknown extern function iowrite8_rep [2022-12-13 20:31:47,487 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:47,498 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,499 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,500 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,506 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:47,507 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:47,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,509 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:47,510 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:47,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,526 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:47,526 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,537 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-12-13 20:31:47,537 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,537 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_regions [2022-12-13 20:31:47,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,538 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_table [2022-12-13 20:31:47,538 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:31:47,538 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,539 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:31:47,539 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:31:47,539 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 20:31:47,539 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,540 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 20:31:47,540 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:47,540 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,540 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 20:31:47,541 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,541 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:31:47,541 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:47,542 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,542 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,543 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,544 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:47,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,545 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:47,545 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:47,545 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:47,545 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:47,545 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-13 20:31:47,546 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 20:31:47,546 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,546 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:47,546 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:47,547 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:47,552 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,553 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:47,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:47,554 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:47,554 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-13 20:31:47,554 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 20:31:47,554 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:47,554 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:47,555 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:47,555 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:47,572 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 20:31:47,572 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,573 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,573 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,573 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:47,573 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,575 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:47,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,576 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:47,576 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:47,577 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:47,577 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 20:31:47,577 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 20:31:47,616 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,617 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-13 20:31:47,620 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,620 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,620 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,621 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:47,621 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,650 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:47,660 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:47,784 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,784 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 20:31:47,784 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 20:31:47,789 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,789 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 20:31:47,789 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 20:31:47,802 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 20:31:47,840 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:31:47,846 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,861 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:47,867 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,873 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:47,880 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,880 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,881 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,887 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,893 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,899 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,905 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,905 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,911 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,917 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,923 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,929 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,935 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:47,940 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:47,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,968 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:47,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:47,972 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,973 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,973 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:47,973 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:47,973 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:47,974 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,974 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,974 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,974 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,974 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,975 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:47,975 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,975 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:47,975 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:47,976 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 20:31:47,976 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 20:31:48,320 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-12-13 20:31:48,325 WARN L623 FunctionHandler]: Unknown extern function copy_to_iter [2022-12-13 20:31:48,341 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:48,341 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:48,347 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 20:31:48,348 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 20:31:48,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,408 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,413 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:31:48,432 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty [2022-12-13 20:31:48,433 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 20:31:48,438 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:48,439 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:48,439 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:48,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:48,456 WARN L623 FunctionHandler]: Unknown extern function vmap [2022-12-13 20:31:48,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,462 WARN L623 FunctionHandler]: Unknown extern function vunmap [2022-12-13 20:31:48,462 WARN L623 FunctionHandler]: Unknown extern function vunmap [2022-12-13 20:31:48,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,490 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,495 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,502 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,516 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:48,528 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,540 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,583 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,602 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,603 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,603 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:48,638 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:48,644 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 20:31:48,644 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 20:31:48,644 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:31:48,644 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:31:48,658 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:48,659 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,660 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:48,669 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,670 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,670 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,670 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,671 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,672 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:48,672 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,672 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,672 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,673 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,674 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,675 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,676 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,676 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,676 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,691 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:48,696 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:48,701 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:48,724 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:48,725 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:48,725 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:48,730 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:48,730 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:48,730 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:48,767 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_402 [2022-12-13 20:31:48,778 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:48,779 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:48,787 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 20:31:48,792 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:48,792 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 20:31:48,793 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,794 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,794 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,794 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:48,794 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,795 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,795 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,828 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,829 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,829 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:48,829 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:48,829 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:48,829 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:48,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:48,834 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_85b69c8e-0964-4dfd-a735-602f9f26d6e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-12-13 20:31:49,104 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,105 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,110 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,110 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,116 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,116 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:31:49,162 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:31:49,225 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 20:31:49,227 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-13 20:31:49,229 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,230 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,230 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 20:31:49,231 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 20:31:49,231 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 20:31:49,231 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 20:31:49,231 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 20:31:49,232 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,232 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,232 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,233 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,233 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,233 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,235 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:31:49,235 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 20:31:49,236 WARN L623 FunctionHandler]: Unknown extern function creds_are_invalid [2022-12-13 20:31:49,236 WARN L623 FunctionHandler]: Unknown extern function __invalid_creds [2022-12-13 20:31:49,237 WARN L623 FunctionHandler]: Unknown extern function __put_cred [2022-12-13 20:31:49,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,239 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:49,240 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:49,244 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,244 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 20:31:49,245 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:49,246 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,248 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,249 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,250 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,250 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,253 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,253 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,254 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:49,255 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,255 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,256 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,257 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,259 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:49,259 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:49,259 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,260 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:49,260 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,261 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,262 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:49,262 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,263 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 20:31:49,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,267 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,278 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:49,282 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,282 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,283 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,283 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,283 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,283 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,283 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,284 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,284 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,287 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,289 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,290 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,291 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:49,292 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:49,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,295 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,296 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:49,296 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:49,298 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,303 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,304 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,304 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,304 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,305 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,305 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,305 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,306 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-13 20:31:49,307 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-13 20:31:49,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,319 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-13 20:31:49,319 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-13 20:31:49,319 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,320 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,322 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,324 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,325 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,325 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,325 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,325 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,326 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,327 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,328 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-13 20:31:49,329 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,330 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,331 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,331 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,332 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,332 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,332 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,332 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,333 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,333 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,333 WARN L623 FunctionHandler]: Unknown extern function __list_add_rcu [2022-12-13 20:31:49,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,334 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:49,335 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,336 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,337 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,339 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,339 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,340 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,340 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,340 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,340 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,340 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 20:31:49,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 20:31:49,342 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 20:31:49,343 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-13 20:31:49,343 WARN L623 FunctionHandler]: Unknown extern function __tasklet_schedule [2022-12-13 20:31:49,343 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-13 20:31:49,344 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-13 20:31:49,344 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-13 20:31:49,346 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 20:31:49,346 WARN L623 FunctionHandler]: Unknown extern function iowrite8_rep [2022-12-13 20:31:49,346 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:49,347 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,348 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,349 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:49,350 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:49,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,352 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:49,352 WARN L623 FunctionHandler]: Unknown extern function ioread8_rep [2022-12-13 20:31:49,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,354 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:49,355 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function pcim_enable_device [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_regions [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function pcim_iomap_table [2022-12-13 20:31:49,356 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:31:49,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,357 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:31:49,357 WARN L623 FunctionHandler]: Unknown extern function tasklet_init [2022-12-13 20:31:49,357 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 20:31:49,357 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,358 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-13 20:31:49,358 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-13 20:31:49,358 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,358 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 20:31:49,358 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,359 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 20:31:49,359 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:49,359 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,359 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 20:31:49,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,361 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:49,361 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:49,362 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:49,362 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:49,362 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-13 20:31:49,362 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 20:31:49,362 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,363 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:49,363 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:49,363 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:49,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,364 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:49,365 WARN L623 FunctionHandler]: Unknown extern function tasklet_kill [2022-12-13 20:31:49,366 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:49,366 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:49,369 WARN L623 FunctionHandler]: Unknown extern function ldv_shutdown_7 [2022-12-13 20:31:49,369 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,370 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,370 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,370 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,370 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:49,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,372 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:49,372 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:49,372 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-13 20:31:49,373 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-13 20:31:49,373 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-13 20:31:49,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,374 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-13 20:31:49,376 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,377 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,377 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,377 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,377 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,378 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,378 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,379 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,379 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 20:31:49,379 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 20:31:49,380 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,380 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 20:31:49,380 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 20:31:49,380 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 20:31:49,394 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:31:49,394 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,396 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:49,397 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,398 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,403 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,404 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,405 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,405 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,406 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,407 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,408 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,409 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,410 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,411 WARN L623 FunctionHandler]: Unknown extern function __might_fault [2022-12-13 20:31:49,418 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,420 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,421 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:49,423 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,423 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,424 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,424 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,424 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,425 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,425 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,426 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,426 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:49,426 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,426 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,427 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,427 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 20:31:49,427 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 20:31:49,432 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-12-13 20:31:49,432 WARN L623 FunctionHandler]: Unknown extern function copy_to_iter [2022-12-13 20:31:49,433 WARN L623 FunctionHandler]: Unknown extern function dma_free_attrs [2022-12-13 20:31:49,433 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-13 20:31:49,434 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-13 20:31:49,435 WARN L623 FunctionHandler]: Unknown extern function dma_alloc_attrs [2022-12-13 20:31:49,439 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,443 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 20:31:49,445 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty [2022-12-13 20:31:49,445 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 20:31:49,445 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:49,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:49,446 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 20:31:49,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 20:31:49,450 WARN L623 FunctionHandler]: Unknown extern function vmap [2022-12-13 20:31:49,451 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,451 WARN L623 FunctionHandler]: Unknown extern function vunmap [2022-12-13 20:31:49,451 WARN L623 FunctionHandler]: Unknown extern function vunmap [2022-12-13 20:31:49,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,455 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,457 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,457 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 20:31:49,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,465 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,474 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,479 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,479 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,483 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 20:31:49,485 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 20:31:49,486 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 20:31:49,486 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 20:31:49,486 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 20:31:49,486 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 20:31:49,491 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:49,491 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,492 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 20:31:49,501 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,502 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,503 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,504 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,505 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,506 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,507 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,507 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 20:31:49,508 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 20:31:49,508 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,508 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,509 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,509 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,509 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-13 20:31:49,509 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 20:31:49,510 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_402 [2022-12-13 20:31:49,511 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,512 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 20:31:49,514 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-13 20:31:49,515 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 20:31:49,516 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-13 20:31:49,516 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,517 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,517 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,517 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,517 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,518 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,518 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,532 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,532 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,533 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-13 20:31:49,533 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-13 20:31:49,533 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-13 20:31:49,533 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 20:31:49,533 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 20:31:49,534 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_85b69c8e-0964-4dfd-a735-602f9f26d6e3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-12-13 20:31:49,543 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,543 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,544 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,545 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 20:31:49,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:31:49,703 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:31:49,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49 WrapperNode [2022-12-13 20:31:49,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:31:49,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:31:49,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:31:49,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:31:49,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:49,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,008 INFO L138 Inliner]: procedures = 713, calls = 6159, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 8996 [2022-12-13 20:31:50,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:31:50,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:31:50,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:31:50,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:31:50,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,252 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:31:50,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:31:50,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:31:50,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:31:50,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (1/1) ... [2022-12-13 20:31:50,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:31:50,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:31:50,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:31:50,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2022-12-13 20:31:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2022-12-13 20:31:50,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2022-12-13 20:31:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2022-12-13 20:31:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2022-12-13 20:31:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2022-12-13 20:31:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-12-13 20:31:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-12-13 20:31:50,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-12-13 20:31:50,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-12-13 20:31:50,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2022-12-13 20:31:50,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2022-12-13 20:31:50,356 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2022-12-13 20:31:50,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2022-12-13 20:31:50,357 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 20:31:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2022-12-13 20:31:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2022-12-13 20:31:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2022-12-13 20:31:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 20:31:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 20:31:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-12-13 20:31:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 20:31:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2022-12-13 20:31:50,362 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2022-12-13 20:31:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2022-12-13 20:31:50,363 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2022-12-13 20:31:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2022-12-13 20:31:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2022-12-13 20:31:50,378 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2022-12-13 20:31:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 20:31:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2022-12-13 20:31:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-13 20:31:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-12-13 20:31:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-12-13 20:31:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2022-12-13 20:31:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2022-12-13 20:31:50,379 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2022-12-13 20:31:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 20:31:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 20:31:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-12-13 20:31:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2022-12-13 20:31:50,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2022-12-13 20:31:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2022-12-13 20:31:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-13 20:31:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2022-12-13 20:31:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-12-13 20:31:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2022-12-13 20:31:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2022-12-13 20:31:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-12-13 20:31:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2022-12-13 20:31:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 20:31:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2022-12-13 20:31:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2022-12-13 20:31:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-12-13 20:31:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 20:31:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 20:31:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2022-12-13 20:31:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2022-12-13 20:31:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2022-12-13 20:31:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 20:31:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 20:31:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2022-12-13 20:31:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2022-12-13 20:31:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2022-12-13 20:31:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-12-13 20:31:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2022-12-13 20:31:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-12-13 20:31:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2022-12-13 20:31:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-12-13 20:31:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-13 20:31:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-12-13 20:31:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2022-12-13 20:31:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2022-12-13 20:31:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2022-12-13 20:31:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 20:31:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 20:31:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2022-12-13 20:31:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2022-12-13 20:31:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2022-12-13 20:31:51,215 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:31:51,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:31:51,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 20:32:02,206 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:32:02,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:32:02,226 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:32:02,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:32:02 BoogieIcfgContainer [2022-12-13 20:32:02,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:32:02,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:32:02,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:32:02,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:32:02,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:31:45" (1/3) ... [2022-12-13 20:32:02,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c26bbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:32:02, skipping insertion in model container [2022-12-13 20:32:02,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:31:49" (2/3) ... [2022-12-13 20:32:02,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c26bbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:32:02, skipping insertion in model container [2022-12-13 20:32:02,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:32:02" (3/3) ... [2022-12-13 20:32:02,235 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-12-13 20:32:02,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:32:02,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:32:02,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:32:02,332 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;@4d9bef0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:32:02,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:32:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2302 states have (on average 1.3657688966116421) internal successors, (3144), 2369 states have internal predecessors, (3144), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) [2022-12-13 20:32:02,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 20:32:02,350 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:02,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 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 20:32:02,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:02,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:02,354 INFO L85 PathProgramCache]: Analyzing trace with hash -302721154, now seen corresponding path program 1 times [2022-12-13 20:32:02,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:02,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981907710] [2022-12-13 20:32:02,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:02,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:03,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:03,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981907710] [2022-12-13 20:32:03,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981907710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:03,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:32:03,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:32:03,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996034333] [2022-12-13 20:32:03,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:03,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:03,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:32:03,119 INFO L87 Difference]: Start difference. First operand has 3350 states, 2302 states have (on average 1.3657688966116421) internal successors, (3144), 2369 states have internal predecessors, (3144), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:32:03,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:03,321 INFO L93 Difference]: Finished difference Result 6695 states and 9831 transitions. [2022-12-13 20:32:03,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:03,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-12-13 20:32:03,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:03,346 INFO L225 Difference]: With dead ends: 6695 [2022-12-13 20:32:03,346 INFO L226 Difference]: Without dead ends: 3342 [2022-12-13 20:32:03,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:32:03,364 INFO L413 NwaCegarLoop]: 4805 mSDtfsCounter, 1 mSDsluCounter, 4801 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9606 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:03,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9606 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2022-12-13 20:32:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3340. [2022-12-13 20:32:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 2298 states have (on average 1.3624891209747607) internal successors, (3131), 2359 states have internal predecessors, (3131), 839 states have call successors, (839), 203 states have call predecessors, (839), 202 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2022-12-13 20:32:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 4794 transitions. [2022-12-13 20:32:03,520 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 4794 transitions. Word has length 27 [2022-12-13 20:32:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:03,521 INFO L495 AbstractCegarLoop]: Abstraction has 3340 states and 4794 transitions. [2022-12-13 20:32:03,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:32:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 4794 transitions. [2022-12-13 20:32:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 20:32:03,522 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:03,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 20:32:03,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:32:03,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1018193591, now seen corresponding path program 1 times [2022-12-13 20:32:03,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:03,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985049695] [2022-12-13 20:32:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:03,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:03,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985049695] [2022-12-13 20:32:03,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985049695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:03,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:32:03,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:32:03,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102159198] [2022-12-13 20:32:03,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:03,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:32:03,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:03,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:32:03,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:32:03,935 INFO L87 Difference]: Start difference. First operand 3340 states and 4794 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:10,473 INFO L93 Difference]: Finished difference Result 10165 states and 14681 transitions. [2022-12-13 20:32:10,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:32:10,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-12-13 20:32:10,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:10,516 INFO L225 Difference]: With dead ends: 10165 [2022-12-13 20:32:10,516 INFO L226 Difference]: Without dead ends: 6831 [2022-12-13 20:32:10,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:32:10,533 INFO L413 NwaCegarLoop]: 6550 mSDtfsCounter, 5430 mSDsluCounter, 6985 mSDsCounter, 0 mSdLazyCounter, 4630 mSolverCounterSat, 1530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6027 SdHoareTripleChecker+Valid, 13535 SdHoareTripleChecker+Invalid, 6160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1530 IncrementalHoareTripleChecker+Valid, 4630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:10,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6027 Valid, 13535 Invalid, 6160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1530 Valid, 4630 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-12-13 20:32:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2022-12-13 20:32:10,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6577. [2022-12-13 20:32:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6577 states, 4529 states have (on average 1.3623316405387502) internal successors, (6170), 4636 states have internal predecessors, (6170), 1643 states have call successors, (1643), 405 states have call predecessors, (1643), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-12-13 20:32:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6577 states to 6577 states and 9441 transitions. [2022-12-13 20:32:10,776 INFO L78 Accepts]: Start accepts. Automaton has 6577 states and 9441 transitions. Word has length 29 [2022-12-13 20:32:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:10,777 INFO L495 AbstractCegarLoop]: Abstraction has 6577 states and 9441 transitions. [2022-12-13 20:32:10,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6577 states and 9441 transitions. [2022-12-13 20:32:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 20:32:10,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:10,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:10,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:32:10,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:10,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:10,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1980234498, now seen corresponding path program 1 times [2022-12-13 20:32:10,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:10,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355827367] [2022-12-13 20:32:10,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:10,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:11,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:11,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355827367] [2022-12-13 20:32:11,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355827367] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:11,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808706641] [2022-12-13 20:32:11,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:11,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:11,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:11,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:11,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:32:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:12,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 4888 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:12,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:12,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:12,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808706641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:12,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:12,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:12,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8730899] [2022-12-13 20:32:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:12,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:12,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:12,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:12,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:12,324 INFO L87 Difference]: Start difference. First operand 6577 states and 9441 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:12,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:12,490 INFO L93 Difference]: Finished difference Result 6579 states and 9442 transitions. [2022-12-13 20:32:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:12,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-12-13 20:32:12,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:12,519 INFO L225 Difference]: With dead ends: 6579 [2022-12-13 20:32:12,519 INFO L226 Difference]: Without dead ends: 6576 [2022-12-13 20:32:12,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:12,523 INFO L413 NwaCegarLoop]: 4790 mSDtfsCounter, 4761 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4761 SdHoareTripleChecker+Valid, 4790 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:12,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4761 Valid, 4790 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6576 states. [2022-12-13 20:32:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6576 to 6576. [2022-12-13 20:32:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6576 states, 4529 states have (on average 1.362110841245308) internal successors, (6169), 4635 states have internal predecessors, (6169), 1642 states have call successors, (1642), 405 states have call predecessors, (1642), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-12-13 20:32:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6576 states to 6576 states and 9439 transitions. [2022-12-13 20:32:12,736 INFO L78 Accepts]: Start accepts. Automaton has 6576 states and 9439 transitions. Word has length 33 [2022-12-13 20:32:12,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:12,736 INFO L495 AbstractCegarLoop]: Abstraction has 6576 states and 9439 transitions. [2022-12-13 20:32:12,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6576 states and 9439 transitions. [2022-12-13 20:32:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 20:32:12,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:12,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:12,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:32:12,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:12,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:12,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1256363502, now seen corresponding path program 1 times [2022-12-13 20:32:12,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:12,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146703778] [2022-12-13 20:32:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:13,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:13,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146703778] [2022-12-13 20:32:13,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146703778] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:13,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033316895] [2022-12-13 20:32:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:13,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:13,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:13,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:13,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:32:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:14,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 4890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:14,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:14,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:14,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033316895] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:14,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:14,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:14,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108958878] [2022-12-13 20:32:14,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:14,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:14,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:14,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:14,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:14,377 INFO L87 Difference]: Start difference. First operand 6576 states and 9439 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:14,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:14,530 INFO L93 Difference]: Finished difference Result 6578 states and 9440 transitions. [2022-12-13 20:32:14,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:14,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-12-13 20:32:14,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:14,551 INFO L225 Difference]: With dead ends: 6578 [2022-12-13 20:32:14,552 INFO L226 Difference]: Without dead ends: 6575 [2022-12-13 20:32:14,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:14,554 INFO L413 NwaCegarLoop]: 4788 mSDtfsCounter, 4758 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4758 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:14,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4758 Valid, 4788 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6575 states. [2022-12-13 20:32:14,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6575 to 6575. [2022-12-13 20:32:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6575 states, 4529 states have (on average 1.3618900419518658) internal successors, (6168), 4634 states have internal predecessors, (6168), 1641 states have call successors, (1641), 405 states have call predecessors, (1641), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-12-13 20:32:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6575 states to 6575 states and 9437 transitions. [2022-12-13 20:32:14,754 INFO L78 Accepts]: Start accepts. Automaton has 6575 states and 9437 transitions. Word has length 34 [2022-12-13 20:32:14,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:14,754 INFO L495 AbstractCegarLoop]: Abstraction has 6575 states and 9437 transitions. [2022-12-13 20:32:14,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 6575 states and 9437 transitions. [2022-12-13 20:32:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 20:32:14,755 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:14,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:14,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:32:14,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:14,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:14,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 291203973, now seen corresponding path program 1 times [2022-12-13 20:32:14,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:14,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300098928] [2022-12-13 20:32:14,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:15,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:15,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300098928] [2022-12-13 20:32:15,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300098928] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:15,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59048173] [2022-12-13 20:32:15,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:15,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:15,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:15,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 20:32:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:16,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 4892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:16,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:16,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:16,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59048173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:16,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:16,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:16,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98625450] [2022-12-13 20:32:16,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:16,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:16,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:16,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:16,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:16,616 INFO L87 Difference]: Start difference. First operand 6575 states and 9437 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:16,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:16,842 INFO L93 Difference]: Finished difference Result 10372 states and 14604 transitions. [2022-12-13 20:32:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:16,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-12-13 20:32:16,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:16,883 INFO L225 Difference]: With dead ends: 10372 [2022-12-13 20:32:16,883 INFO L226 Difference]: Without dead ends: 10368 [2022-12-13 20:32:16,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:16,889 INFO L413 NwaCegarLoop]: 5265 mSDtfsCounter, 4677 mSDsluCounter, 2707 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4677 SdHoareTripleChecker+Valid, 7972 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:16,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4677 Valid, 7972 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:16,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10368 states. [2022-12-13 20:32:17,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10368 to 10360. [2022-12-13 20:32:17,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10360 states, 7090 states have (on average 1.3458392101551482) internal successors, (9542), 7265 states have internal predecessors, (9542), 2530 states have call successors, (2530), 740 states have call predecessors, (2530), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-12-13 20:32:17,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 14591 transitions. [2022-12-13 20:32:17,253 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 14591 transitions. Word has length 35 [2022-12-13 20:32:17,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:17,254 INFO L495 AbstractCegarLoop]: Abstraction has 10360 states and 14591 transitions. [2022-12-13 20:32:17,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 14591 transitions. [2022-12-13 20:32:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 20:32:17,256 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:17,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:17,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 20:32:17,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:17,457 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash 436034513, now seen corresponding path program 1 times [2022-12-13 20:32:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:17,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432034046] [2022-12-13 20:32:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:17,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:17,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432034046] [2022-12-13 20:32:17,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432034046] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:17,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658576090] [2022-12-13 20:32:17,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:17,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:17,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:17,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:17,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 20:32:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:18,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:18,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:18,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:18,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658576090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:18,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:18,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075773568] [2022-12-13 20:32:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:18,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:18,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:18,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:18,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:18,640 INFO L87 Difference]: Start difference. First operand 10360 states and 14591 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:18,895 INFO L93 Difference]: Finished difference Result 10362 states and 14592 transitions. [2022-12-13 20:32:18,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:18,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-12-13 20:32:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:18,939 INFO L225 Difference]: With dead ends: 10362 [2022-12-13 20:32:18,939 INFO L226 Difference]: Without dead ends: 10359 [2022-12-13 20:32:18,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:18,943 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 4750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4750 SdHoareTripleChecker+Valid, 4782 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:18,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4750 Valid, 4782 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:18,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10359 states. [2022-12-13 20:32:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10359 to 10359. [2022-12-13 20:32:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10359 states, 7090 states have (on average 1.345698166431594) internal successors, (9541), 7264 states have internal predecessors, (9541), 2529 states have call successors, (2529), 740 states have call predecessors, (2529), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-12-13 20:32:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10359 states to 10359 states and 14589 transitions. [2022-12-13 20:32:19,293 INFO L78 Accepts]: Start accepts. Automaton has 10359 states and 14589 transitions. Word has length 36 [2022-12-13 20:32:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:19,294 INFO L495 AbstractCegarLoop]: Abstraction has 10359 states and 14589 transitions. [2022-12-13 20:32:19,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 10359 states and 14589 transitions. [2022-12-13 20:32:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 20:32:19,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:19,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:19,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 20:32:19,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:19,495 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 630818824, now seen corresponding path program 1 times [2022-12-13 20:32:19,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:19,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846578932] [2022-12-13 20:32:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:19,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:19,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:19,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846578932] [2022-12-13 20:32:19,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846578932] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:19,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755025946] [2022-12-13 20:32:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:19,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:19,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:19,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:19,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 20:32:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:20,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:20,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:20,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:20,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:20,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755025946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:20,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:20,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:20,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819991605] [2022-12-13 20:32:20,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:20,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:20,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:20,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:20,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:20,736 INFO L87 Difference]: Start difference. First operand 10359 states and 14589 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:21,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:21,251 INFO L93 Difference]: Finished difference Result 27126 states and 38555 transitions. [2022-12-13 20:32:21,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:21,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-12-13 20:32:21,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:21,310 INFO L225 Difference]: With dead ends: 27126 [2022-12-13 20:32:21,310 INFO L226 Difference]: Without dead ends: 16773 [2022-12-13 20:32:21,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:21,352 INFO L413 NwaCegarLoop]: 5537 mSDtfsCounter, 4046 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4046 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:21,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4046 Valid, 8543 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16773 states. [2022-12-13 20:32:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16773 to 16730. [2022-12-13 20:32:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16730 states, 11457 states have (on average 1.3390067207820546) internal successors, (15341), 11741 states have internal predecessors, (15341), 3966 states have call successors, (3966), 1300 states have call predecessors, (3966), 1306 states have return successors, (4152), 3925 states have call predecessors, (4152), 3952 states have call successors, (4152) [2022-12-13 20:32:21,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16730 states to 16730 states and 23459 transitions. [2022-12-13 20:32:21,937 INFO L78 Accepts]: Start accepts. Automaton has 16730 states and 23459 transitions. Word has length 37 [2022-12-13 20:32:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:21,937 INFO L495 AbstractCegarLoop]: Abstraction has 16730 states and 23459 transitions. [2022-12-13 20:32:21,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16730 states and 23459 transitions. [2022-12-13 20:32:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:32:21,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:21,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:21,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 20:32:22,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-13 20:32:22,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:22,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:22,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1920797260, now seen corresponding path program 1 times [2022-12-13 20:32:22,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:22,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256221959] [2022-12-13 20:32:22,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:22,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:22,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256221959] [2022-12-13 20:32:22,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256221959] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:22,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661774854] [2022-12-13 20:32:22,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:22,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:22,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:22,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:22,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 20:32:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:23,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 4898 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:23,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:23,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:23,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661774854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:23,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:23,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192942267] [2022-12-13 20:32:23,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:23,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:23,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:23,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:23,421 INFO L87 Difference]: Start difference. First operand 16730 states and 23459 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:24,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:24,437 INFO L93 Difference]: Finished difference Result 50134 states and 72075 transitions. [2022-12-13 20:32:24,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:24,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-12-13 20:32:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:24,539 INFO L225 Difference]: With dead ends: 50134 [2022-12-13 20:32:24,539 INFO L226 Difference]: Without dead ends: 33410 [2022-12-13 20:32:24,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:24,591 INFO L413 NwaCegarLoop]: 5874 mSDtfsCounter, 4818 mSDsluCounter, 4845 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4818 SdHoareTripleChecker+Valid, 10719 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:24,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4818 Valid, 10719 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:24,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33410 states. [2022-12-13 20:32:25,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33410 to 33371. [2022-12-13 20:32:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33371 states, 22859 states have (on average 1.3393411785292444) internal successors, (30616), 23420 states have internal predecessors, (30616), 7907 states have call successors, (7907), 2595 states have call predecessors, (7907), 2604 states have return successors, (9180), 7829 states have call predecessors, (9180), 7892 states have call successors, (9180) [2022-12-13 20:32:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33371 states to 33371 states and 47703 transitions. [2022-12-13 20:32:25,768 INFO L78 Accepts]: Start accepts. Automaton has 33371 states and 47703 transitions. Word has length 38 [2022-12-13 20:32:25,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:25,768 INFO L495 AbstractCegarLoop]: Abstraction has 33371 states and 47703 transitions. [2022-12-13 20:32:25,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 33371 states and 47703 transitions. [2022-12-13 20:32:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-13 20:32:25,769 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:25,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:25,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 20:32:25,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:25,970 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:25,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:25,970 INFO L85 PathProgramCache]: Analyzing trace with hash 583487627, now seen corresponding path program 1 times [2022-12-13 20:32:25,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:25,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389335236] [2022-12-13 20:32:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:32:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:26,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:26,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389335236] [2022-12-13 20:32:26,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389335236] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:32:26,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128425664] [2022-12-13 20:32:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:26,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:26,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:32:26,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:32:26,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 20:32:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:27,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:32:27,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:32:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 20:32:27,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:32:27,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128425664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:27,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:32:27,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 20:32:27,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117370171] [2022-12-13 20:32:27,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:27,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:32:27,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:27,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:32:27,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:27,174 INFO L87 Difference]: Start difference. First operand 33371 states and 47703 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:28,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:32:28,238 INFO L93 Difference]: Finished difference Result 33499 states and 47793 transitions. [2022-12-13 20:32:28,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:32:28,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-12-13 20:32:28,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:32:28,345 INFO L225 Difference]: With dead ends: 33499 [2022-12-13 20:32:28,345 INFO L226 Difference]: Without dead ends: 33467 [2022-12-13 20:32:28,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:28,361 INFO L413 NwaCegarLoop]: 4776 mSDtfsCounter, 4691 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:32:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 4830 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:32:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33467 states. [2022-12-13 20:32:29,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33467 to 33465. [2022-12-13 20:32:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33465 states, 22925 states have (on average 1.3374045801526717) internal successors, (30660), 23485 states have internal predecessors, (30660), 7900 states have call successors, (7900), 2630 states have call predecessors, (7900), 2639 states have return successors, (9174), 7823 states have call predecessors, (9174), 7886 states have call successors, (9174) [2022-12-13 20:32:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33465 states to 33465 states and 47734 transitions. [2022-12-13 20:32:29,585 INFO L78 Accepts]: Start accepts. Automaton has 33465 states and 47734 transitions. Word has length 39 [2022-12-13 20:32:29,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:32:29,586 INFO L495 AbstractCegarLoop]: Abstraction has 33465 states and 47734 transitions. [2022-12-13 20:32:29,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:32:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 33465 states and 47734 transitions. [2022-12-13 20:32:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-12-13 20:32:29,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:32:29,587 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:29,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 20:32:29,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:32:29,789 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:32:29,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:32:29,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1455878109, now seen corresponding path program 1 times [2022-12-13 20:32:29,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:32:29,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485735810] [2022-12-13 20:32:29,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:32:29,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:32:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:32:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:32:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:32:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 20:32:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 20:32:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 20:32:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 20:32:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 20:32:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:32:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:32:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:32:30,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485735810] [2022-12-13 20:32:30,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485735810] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:32:30,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:32:30,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:32:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745179011] [2022-12-13 20:32:30,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:32:30,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:32:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:32:30,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:32:30,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:32:30,056 INFO L87 Difference]: Start difference. First operand 33465 states and 47734 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:32:43,865 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 20:32:51,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:32:56,281 WARN L539 Checker$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 20:33:01,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:33:01,522 INFO L93 Difference]: Finished difference Result 112923 states and 165536 transitions. [2022-12-13 20:33:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:33:01,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2022-12-13 20:33:01,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:33:01,774 INFO L225 Difference]: With dead ends: 112923 [2022-12-13 20:33:01,774 INFO L226 Difference]: Without dead ends: 79464 [2022-12-13 20:33:01,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:33:01,870 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 12229 mSDsluCounter, 5812 mSDsCounter, 0 mSdLazyCounter, 13047 mSolverCounterSat, 6882 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12974 SdHoareTripleChecker+Valid, 8811 SdHoareTripleChecker+Invalid, 19932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6882 IncrementalHoareTripleChecker+Valid, 13047 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:33:01,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12974 Valid, 8811 Invalid, 19932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6882 Valid, 13047 Invalid, 3 Unknown, 0 Unchecked, 27.7s Time] [2022-12-13 20:33:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79464 states. [2022-12-13 20:33:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79464 to 72166. [2022-12-13 20:33:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72166 states, 49340 states have (on average 1.332428050263478) internal successors, (65742), 50416 states have internal predecessors, (65742), 17115 states have call successors, (17115), 5257 states have call predecessors, (17115), 5710 states have return successors, (21124), 17504 states have call predecessors, (21124), 17100 states have call successors, (21124) [2022-12-13 20:33:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72166 states to 72166 states and 103981 transitions. [2022-12-13 20:33:05,102 INFO L78 Accepts]: Start accepts. Automaton has 72166 states and 103981 transitions. Word has length 70 [2022-12-13 20:33:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:33:05,102 INFO L495 AbstractCegarLoop]: Abstraction has 72166 states and 103981 transitions. [2022-12-13 20:33:05,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 20:33:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 72166 states and 103981 transitions. [2022-12-13 20:33:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-13 20:33:05,108 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:33:05,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:33:05,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 20:33:05,109 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:33:05,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:33:05,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1387109977, now seen corresponding path program 1 times [2022-12-13 20:33:05,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:33:05,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437359255] [2022-12-13 20:33:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:33:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:33:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 20:33:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:33:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:33:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 20:33:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 20:33:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 20:33:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 20:33:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:33:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 20:33:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:33:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-12-13 20:33:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:05,416 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 20:33:05,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:33:05,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437359255] [2022-12-13 20:33:05,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437359255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:33:05,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:33:05,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:33:05,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234433328] [2022-12-13 20:33:05,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:33:05,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:33:05,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:33:05,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:33:05,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:33:05,417 INFO L87 Difference]: Start difference. First operand 72166 states and 103981 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:33:14,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:33:25,203 WARN L539 Checker$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 20:33:26,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:33:28,831 WARN L539 Checker$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 20:33:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:33:34,406 INFO L93 Difference]: Finished difference Result 176636 states and 258123 transitions. [2022-12-13 20:33:34,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:33:34,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 119 [2022-12-13 20:33:34,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:33:34,753 INFO L225 Difference]: With dead ends: 176636 [2022-12-13 20:33:34,753 INFO L226 Difference]: Without dead ends: 104476 [2022-12-13 20:33:34,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:33:34,909 INFO L413 NwaCegarLoop]: 1170 mSDtfsCounter, 13085 mSDsluCounter, 2012 mSDsCounter, 0 mSdLazyCounter, 11587 mSolverCounterSat, 8066 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13768 SdHoareTripleChecker+Valid, 3182 SdHoareTripleChecker+Invalid, 19656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8066 IncrementalHoareTripleChecker+Valid, 11587 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:33:34,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13768 Valid, 3182 Invalid, 19656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8066 Valid, 11587 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2022-12-13 20:33:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104476 states. [2022-12-13 20:33:39,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104476 to 94798. [2022-12-13 20:33:39,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94798 states, 64723 states have (on average 1.3292492622406253) internal successors, (86033), 66197 states have internal predecessors, (86033), 22320 states have call successors, (22320), 7154 states have call predecessors, (22320), 7754 states have return successors, (27583), 22800 states have call predecessors, (27583), 22305 states have call successors, (27583) [2022-12-13 20:33:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94798 states to 94798 states and 135936 transitions. [2022-12-13 20:33:39,941 INFO L78 Accepts]: Start accepts. Automaton has 94798 states and 135936 transitions. Word has length 119 [2022-12-13 20:33:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:33:39,941 INFO L495 AbstractCegarLoop]: Abstraction has 94798 states and 135936 transitions. [2022-12-13 20:33:39,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:33:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 94798 states and 135936 transitions. [2022-12-13 20:33:39,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-13 20:33:39,944 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:33:39,944 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:33:39,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 20:33:39,944 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:33:39,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:33:39,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1076361833, now seen corresponding path program 1 times [2022-12-13 20:33:39,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:33:39,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999198148] [2022-12-13 20:33:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:33:39,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:33:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:33:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 20:33:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:33:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-12-13 20:33:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:33:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 20:33:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 20:33:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-12-13 20:33:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-12-13 20:33:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 20:33:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-13 20:33:40,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:33:40,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999198148] [2022-12-13 20:33:40,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999198148] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:33:40,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151613628] [2022-12-13 20:33:40,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:33:40,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:33:40,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:33:40,337 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:33:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 20:33:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:41,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 5700 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:33:41,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:33:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 20:33:41,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:33:41,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151613628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:33:41,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 20:33:41,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-13 20:33:41,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493663324] [2022-12-13 20:33:41,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:33:41,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:33:41,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:33:41,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:33:41,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:33:41,233 INFO L87 Difference]: Start difference. First operand 94798 states and 135936 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 20:33:48,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:33:48,172 INFO L93 Difference]: Finished difference Result 234326 states and 335931 transitions. [2022-12-13 20:33:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:33:48,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 118 [2022-12-13 20:33:48,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:33:48,692 INFO L225 Difference]: With dead ends: 234326 [2022-12-13 20:33:48,693 INFO L226 Difference]: Without dead ends: 139534 [2022-12-13 20:33:48,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:33:48,879 INFO L413 NwaCegarLoop]: 6024 mSDtfsCounter, 4730 mSDsluCounter, 4740 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4730 SdHoareTripleChecker+Valid, 10764 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:33:48,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4730 Valid, 10764 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:33:48,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139534 states. [2022-12-13 20:33:55,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139534 to 139485. [2022-12-13 20:33:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139485 states, 95277 states have (on average 1.3292714925952749) internal successors, (126649), 97438 states have internal predecessors, (126649), 32797 states have call successors, (32797), 10529 states have call predecessors, (32797), 11410 states have return successors, (40489), 33507 states have call predecessors, (40489), 32781 states have call successors, (40489) [2022-12-13 20:33:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139485 states to 139485 states and 199935 transitions. [2022-12-13 20:33:56,068 INFO L78 Accepts]: Start accepts. Automaton has 139485 states and 199935 transitions. Word has length 118 [2022-12-13 20:33:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:33:56,069 INFO L495 AbstractCegarLoop]: Abstraction has 139485 states and 199935 transitions. [2022-12-13 20:33:56,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-12-13 20:33:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 139485 states and 199935 transitions. [2022-12-13 20:33:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-13 20:33:56,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:33:56,072 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:33:56,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 20:33:56,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 20:33:56,274 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:33:56,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:33:56,275 INFO L85 PathProgramCache]: Analyzing trace with hash -14870691, now seen corresponding path program 1 times [2022-12-13 20:33:56,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:33:56,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843254973] [2022-12-13 20:33:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:33:56,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:33:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:33:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 20:33:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:33:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:33:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:33:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:33:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:33:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:33:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-12-13 20:33:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-12-13 20:33:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 20:33:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:33:56,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:33:56,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843254973] [2022-12-13 20:33:56,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843254973] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:33:56,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587995951] [2022-12-13 20:33:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:33:56,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:33:56,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:33:56,819 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:33:56,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 20:33:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:33:57,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 5910 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 20:33:57,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:33:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:33:57,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:33:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:33:58,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587995951] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:33:58,010 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:33:58,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-12-13 20:33:58,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681610011] [2022-12-13 20:33:58,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:33:58,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 20:33:58,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:33:58,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 20:33:58,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:33:58,012 INFO L87 Difference]: Start difference. First operand 139485 states and 199935 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-13 20:34:10,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:34:16,646 WARN L539 Checker$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 20:34:18,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:34:30,989 WARN L539 Checker$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 20:34:32,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:34:36,914 WARN L539 Checker$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 20:34:49,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:49,954 INFO L93 Difference]: Finished difference Result 294158 states and 427780 transitions. [2022-12-13 20:34:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 20:34:49,955 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 122 [2022-12-13 20:34:49,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:50,492 INFO L225 Difference]: With dead ends: 294158 [2022-12-13 20:34:50,492 INFO L226 Difference]: Without dead ends: 154679 [2022-12-13 20:34:50,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:34:50,808 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 3432 mSDsluCounter, 5320 mSDsCounter, 0 mSdLazyCounter, 10238 mSolverCounterSat, 1457 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 7845 SdHoareTripleChecker+Invalid, 11700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 10238 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:50,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 7845 Invalid, 11700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1457 Valid, 10238 Invalid, 5 Unknown, 0 Unchecked, 37.0s Time] [2022-12-13 20:34:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154679 states. [2022-12-13 20:35:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154679 to 140009. [2022-12-13 20:35:04,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140009 states, 95637 states have (on average 1.3283666363436746) internal successors, (127041), 97798 states have internal predecessors, (127041), 32865 states have call successors, (32865), 10529 states have call predecessors, (32865), 11506 states have return successors, (40665), 33671 states have call predecessors, (40665), 32849 states have call successors, (40665) [2022-12-13 20:35:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140009 states to 140009 states and 200571 transitions. [2022-12-13 20:35:04,892 INFO L78 Accepts]: Start accepts. Automaton has 140009 states and 200571 transitions. Word has length 122 [2022-12-13 20:35:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:35:04,892 INFO L495 AbstractCegarLoop]: Abstraction has 140009 states and 200571 transitions. [2022-12-13 20:35:04,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-12-13 20:35:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 140009 states and 200571 transitions. [2022-12-13 20:35:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-13 20:35:04,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:04,896 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:04,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-13 20:35:05,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:35:05,096 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:35:05,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash 286241873, now seen corresponding path program 2 times [2022-12-13 20:35:05,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:35:05,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668821326] [2022-12-13 20:35:05,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:05,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:35:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:35:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:35:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:35:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:35:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 20:35:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:35:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:35:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:35:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:35:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:35:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:35:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:35:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:35:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:35:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:35:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 20:35:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 20:35:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-13 20:35:05,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:35:05,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668821326] [2022-12-13 20:35:05,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668821326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:35:05,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:35:05,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:35:05,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967961299] [2022-12-13 20:35:05,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:35:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:35:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:35:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:35:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:35:05,709 INFO L87 Difference]: Start difference. First operand 140009 states and 200571 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:35:20,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:35:22,319 WARN L539 Checker$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 20:35:32,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:35:35,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:35:37,867 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 20:35:51,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:35:51,561 INFO L93 Difference]: Finished difference Result 294702 states and 428410 transitions. [2022-12-13 20:35:51,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:35:51,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 140 [2022-12-13 20:35:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:35:52,091 INFO L225 Difference]: With dead ends: 294702 [2022-12-13 20:35:52,092 INFO L226 Difference]: Without dead ends: 154699 [2022-12-13 20:35:52,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:35:52,394 INFO L413 NwaCegarLoop]: 2567 mSDtfsCounter, 5464 mSDsluCounter, 6620 mSDsCounter, 0 mSdLazyCounter, 11025 mSolverCounterSat, 3534 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5976 SdHoareTripleChecker+Valid, 9187 SdHoareTripleChecker+Invalid, 14562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3534 IncrementalHoareTripleChecker+Valid, 11025 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-12-13 20:35:52,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5976 Valid, 9187 Invalid, 14562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3534 Valid, 11025 Invalid, 3 Unknown, 0 Unchecked, 29.9s Time] [2022-12-13 20:35:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154699 states. [2022-12-13 20:36:05,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154699 to 140009. [2022-12-13 20:36:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140009 states, 95637 states have (on average 1.3282411618934094) internal successors, (127029), 97798 states have internal predecessors, (127029), 32865 states have call successors, (32865), 10529 states have call predecessors, (32865), 11506 states have return successors, (40665), 33671 states have call predecessors, (40665), 32849 states have call successors, (40665) [2022-12-13 20:36:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140009 states to 140009 states and 200559 transitions. [2022-12-13 20:36:06,623 INFO L78 Accepts]: Start accepts. Automaton has 140009 states and 200559 transitions. Word has length 140 [2022-12-13 20:36:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:36:06,623 INFO L495 AbstractCegarLoop]: Abstraction has 140009 states and 200559 transitions. [2022-12-13 20:36:06,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:36:06,623 INFO L276 IsEmpty]: Start isEmpty. Operand 140009 states and 200559 transitions. [2022-12-13 20:36:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 20:36:06,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:36:06,627 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:36:06,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 20:36:06,627 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:36:06,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:36:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1254816270, now seen corresponding path program 1 times [2022-12-13 20:36:06,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:36:06,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288404809] [2022-12-13 20:36:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:36:06,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:36:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:36:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:36:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:36:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:36:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 20:36:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:36:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:36:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 20:36:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:36:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:36:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:36:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:36:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:36:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:36:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 20:36:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-12-13 20:36:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 20:36:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-13 20:36:07,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:36:07,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288404809] [2022-12-13 20:36:07,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288404809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:36:07,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:36:07,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:36:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198826913] [2022-12-13 20:36:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:36:07,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:36:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:36:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:36:07,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:36:07,209 INFO L87 Difference]: Start difference. First operand 140009 states and 200559 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:36:22,267 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 20:36:24,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:36:36,036 WARN L539 Checker$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 20:36:49,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:36:49,650 INFO L93 Difference]: Finished difference Result 258756 states and 374202 transitions. [2022-12-13 20:36:49,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:36:49,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 143 [2022-12-13 20:36:49,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:36:50,151 INFO L225 Difference]: With dead ends: 258756 [2022-12-13 20:36:50,151 INFO L226 Difference]: Without dead ends: 142411 [2022-12-13 20:36:50,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-12-13 20:36:50,512 INFO L413 NwaCegarLoop]: 2795 mSDtfsCounter, 7450 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 10511 mSolverCounterSat, 5042 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7986 SdHoareTripleChecker+Valid, 6458 SdHoareTripleChecker+Invalid, 15556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5042 IncrementalHoareTripleChecker+Valid, 10511 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:36:50,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7986 Valid, 6458 Invalid, 15556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5042 Valid, 10511 Invalid, 3 Unknown, 0 Unchecked, 27.3s Time] [2022-12-13 20:36:50,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142411 states. [2022-12-13 20:37:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142411 to 128595. [2022-12-13 20:37:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128595 states, 88231 states have (on average 1.331618138749419) internal successors, (117490), 90210 states have internal predecessors, (117490), 29847 states have call successors, (29847), 9758 states have call predecessors, (29847), 10516 states have return successors, (33694), 30441 states have call predecessors, (33694), 29803 states have call successors, (33694) [2022-12-13 20:37:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128595 states to 128595 states and 181031 transitions. [2022-12-13 20:37:03,965 INFO L78 Accepts]: Start accepts. Automaton has 128595 states and 181031 transitions. Word has length 143 [2022-12-13 20:37:03,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:37:03,965 INFO L495 AbstractCegarLoop]: Abstraction has 128595 states and 181031 transitions. [2022-12-13 20:37:03,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 6 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 20:37:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 128595 states and 181031 transitions. [2022-12-13 20:37:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 20:37:03,974 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:37:03,974 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:37:03,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 20:37:03,974 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:37:03,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:37:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash -744766370, now seen corresponding path program 1 times [2022-12-13 20:37:03,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:37:03,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272443273] [2022-12-13 20:37:03,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:37:03,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:37:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:37:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:37:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:37:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:37:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:37:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 20:37:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 20:37:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 20:37:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 20:37:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 20:37:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:37:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 20:37:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 20:37:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:37:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:37:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:37:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:37:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 20:37:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 20:37:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 20:37:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:37:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 20:37:04,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:37:04,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272443273] [2022-12-13 20:37:04,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272443273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:37:04,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:37:04,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:37:04,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744584453] [2022-12-13 20:37:04,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:37:04,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:37:04,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:37:04,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:37:04,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:37:04,455 INFO L87 Difference]: Start difference. First operand 128595 states and 181031 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 20:37:27,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:37:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:37:45,581 INFO L93 Difference]: Finished difference Result 302644 states and 456449 transitions. [2022-12-13 20:37:45,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 20:37:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 187 [2022-12-13 20:37:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:37:46,279 INFO L225 Difference]: With dead ends: 302644 [2022-12-13 20:37:46,279 INFO L226 Difference]: Without dead ends: 174055 [2022-12-13 20:37:46,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-12-13 20:37:46,706 INFO L413 NwaCegarLoop]: 2446 mSDtfsCounter, 8130 mSDsluCounter, 5807 mSDsCounter, 0 mSdLazyCounter, 10070 mSolverCounterSat, 5220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8554 SdHoareTripleChecker+Valid, 8253 SdHoareTripleChecker+Invalid, 15290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5220 IncrementalHoareTripleChecker+Valid, 10070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-12-13 20:37:46,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8554 Valid, 8253 Invalid, 15290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5220 Valid, 10070 Invalid, 0 Unknown, 0 Unchecked, 22.7s Time] [2022-12-13 20:37:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174055 states. [2022-12-13 20:38:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174055 to 136911. [2022-12-13 20:38:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136911 states, 93667 states have (on average 1.3264650303735575) internal successors, (124246), 95646 states have internal predecessors, (124246), 32097 states have call successors, (32097), 9758 states have call predecessors, (32097), 11146 states have return successors, (37480), 33441 states have call predecessors, (37480), 32053 states have call successors, (37480) [2022-12-13 20:38:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136911 states to 136911 states and 193823 transitions. [2022-12-13 20:38:03,670 INFO L78 Accepts]: Start accepts. Automaton has 136911 states and 193823 transitions. Word has length 187 [2022-12-13 20:38:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:38:03,671 INFO L495 AbstractCegarLoop]: Abstraction has 136911 states and 193823 transitions. [2022-12-13 20:38:03,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 20:38:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 136911 states and 193823 transitions. [2022-12-13 20:38:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-13 20:38:03,679 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:03,679 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:38:03,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 20:38:03,679 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:38:03,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:38:03,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1842330598, now seen corresponding path program 1 times [2022-12-13 20:38:03,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:38:03,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270523164] [2022-12-13 20:38:03,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:38:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:38:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:38:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:38:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:38:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:38:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-12-13 20:38:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 20:38:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 20:38:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-12-13 20:38:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 20:38:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-12-13 20:38:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 20:38:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 20:38:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 20:38:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:38:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:38:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:38:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:38:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 20:38:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-12-13 20:38:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-12-13 20:38:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-12-13 20:38:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-13 20:38:04,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:38:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270523164] [2022-12-13 20:38:04,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270523164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:38:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492648924] [2022-12-13 20:38:04,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:38:04,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:38:04,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:38:04,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:38:04,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 20:38:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:05,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 6780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 20:38:05,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 20:38:05,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:38:05,521 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 22 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-13 20:38:05,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492648924] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:38:05,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:38:05,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2022-12-13 20:38:05,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394753035] [2022-12-13 20:38:05,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:38:05,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 20:38:05,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:38:05,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 20:38:05,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-12-13 20:38:05,523 INFO L87 Difference]: Start difference. First operand 136911 states and 193823 transitions. Second operand has 15 states, 15 states have (on average 15.4) internal successors, (231), 11 states have internal predecessors, (231), 8 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (53), 8 states have call predecessors, (53), 8 states have call successors, (53) [2022-12-13 20:38:18,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:38:34,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:38:53,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:38:53,423 INFO L93 Difference]: Finished difference Result 311530 states and 470079 transitions. [2022-12-13 20:38:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 20:38:53,424 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.4) internal successors, (231), 11 states have internal predecessors, (231), 8 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (53), 8 states have call predecessors, (53), 8 states have call successors, (53) Word has length 190 [2022-12-13 20:38:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:38:54,054 INFO L225 Difference]: With dead ends: 311530 [2022-12-13 20:38:54,054 INFO L226 Difference]: Without dead ends: 174625 [2022-12-13 20:38:54,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 414 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=320, Unknown=0, NotChecked=0, Total=420 [2022-12-13 20:38:54,408 INFO L413 NwaCegarLoop]: 2421 mSDtfsCounter, 7388 mSDsluCounter, 12491 mSDsCounter, 0 mSdLazyCounter, 19575 mSolverCounterSat, 4061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7818 SdHoareTripleChecker+Valid, 14912 SdHoareTripleChecker+Invalid, 23636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4061 IncrementalHoareTripleChecker+Valid, 19575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:38:54,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7818 Valid, 14912 Invalid, 23636 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4061 Valid, 19575 Invalid, 0 Unknown, 0 Unchecked, 28.6s Time] [2022-12-13 20:38:54,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174625 states. [2022-12-13 20:39:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174625 to 137349. [2022-12-13 20:39:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137349 states, 94069 states have (on average 1.3264731207943106) internal successors, (124780), 96048 states have internal predecessors, (124780), 32133 states have call successors, (32133), 9758 states have call predecessors, (32133), 11146 states have return successors, (37516), 33477 states have call predecessors, (37516), 32089 states have call successors, (37516) [2022-12-13 20:39:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137349 states to 137349 states and 194429 transitions. [2022-12-13 20:39:10,243 INFO L78 Accepts]: Start accepts. Automaton has 137349 states and 194429 transitions. Word has length 190 [2022-12-13 20:39:10,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:10,243 INFO L495 AbstractCegarLoop]: Abstraction has 137349 states and 194429 transitions. [2022-12-13 20:39:10,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.4) internal successors, (231), 11 states have internal predecessors, (231), 8 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (53), 8 states have call predecessors, (53), 8 states have call successors, (53) [2022-12-13 20:39:10,244 INFO L276 IsEmpty]: Start isEmpty. Operand 137349 states and 194429 transitions. [2022-12-13 20:39:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-12-13 20:39:10,252 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:10,252 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:10,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 20:39:10,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b69c8e-0964-4dfd-a735-602f9f26d6e3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:39:10,454 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:39:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:10,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2018977013, now seen corresponding path program 1 times [2022-12-13 20:39:10,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:39:10,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157269686] [2022-12-13 20:39:10,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:39:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:39:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:39:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:39:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:39:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:39:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:39:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 20:39:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 20:39:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:39:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 20:39:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:39:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:39:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 20:39:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 20:39:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 20:39:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 20:39:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:39:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 20:39:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:39:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:39:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-12-13 20:39:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 20:39:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 20:39:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-12-13 20:39:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-13 20:39:11,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:39:11,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157269686] [2022-12-13 20:39:11,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157269686] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:11,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:11,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:39:11,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685879479] [2022-12-13 20:39:11,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:11,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:39:11,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:39:11,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:39:11,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:39:11,132 INFO L87 Difference]: Start difference. First operand 137349 states and 194429 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 20:39:20,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:39:26,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:39:36,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:39:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:53,925 INFO L93 Difference]: Finished difference Result 174099 states and 264616 transitions. [2022-12-13 20:39:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 20:39:53,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2022-12-13 20:39:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:54,555 INFO L225 Difference]: With dead ends: 174099 [2022-12-13 20:39:54,555 INFO L226 Difference]: Without dead ends: 174096 [2022-12-13 20:39:54,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2022-12-13 20:39:54,619 INFO L413 NwaCegarLoop]: 2486 mSDtfsCounter, 8911 mSDsluCounter, 5312 mSDsCounter, 0 mSdLazyCounter, 10650 mSolverCounterSat, 6289 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9333 SdHoareTripleChecker+Valid, 7798 SdHoareTripleChecker+Invalid, 16940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6289 IncrementalHoareTripleChecker+Valid, 10650 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:39:54,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9333 Valid, 7798 Invalid, 16940 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6289 Valid, 10650 Invalid, 1 Unknown, 0 Unchecked, 24.4s Time] [2022-12-13 20:39:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174096 states. [2022-12-13 20:40:10,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174096 to 137348. [2022-12-13 20:40:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137348 states, 94069 states have (on average 1.3257715081482742) internal successors, (124714), 96047 states have internal predecessors, (124714), 32132 states have call successors, (32132), 9758 states have call predecessors, (32132), 11146 states have return successors, (37516), 33477 states have call predecessors, (37516), 32089 states have call successors, (37516) [2022-12-13 20:40:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137348 states to 137348 states and 194362 transitions. [2022-12-13 20:40:11,473 INFO L78 Accepts]: Start accepts. Automaton has 137348 states and 194362 transitions. Word has length 209 [2022-12-13 20:40:11,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:40:11,473 INFO L495 AbstractCegarLoop]: Abstraction has 137348 states and 194362 transitions. [2022-12-13 20:40:11,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 20:40:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 137348 states and 194362 transitions. [2022-12-13 20:40:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 20:40:11,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:40:11,485 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:40:11,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 20:40:11,485 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:40:11,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:40:11,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1309508370, now seen corresponding path program 1 times [2022-12-13 20:40:11,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:40:11,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719700596] [2022-12-13 20:40:11,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:40:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:40:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:40:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:40:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:40:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:40:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:40:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:40:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 20:40:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:40:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:40:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 20:40:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:40:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:40:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 20:40:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:40:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:40:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:40:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 20:40:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 20:40:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 20:40:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 20:40:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 20:40:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:40:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:40:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:40:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 20:40:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 20:40:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:40:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-12-13 20:40:12,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:40:12,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719700596] [2022-12-13 20:40:12,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719700596] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:40:12,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:40:12,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 20:40:12,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809651998] [2022-12-13 20:40:12,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:40:12,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:40:12,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:40:12,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:40:12,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:40:12,115 INFO L87 Difference]: Start difference. First operand 137348 states and 194362 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 20:40:19,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:22,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:28,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:40:39,501 WARN L539 Checker$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 20:40:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:40:54,233 INFO L93 Difference]: Finished difference Result 292440 states and 421555 transitions. [2022-12-13 20:40:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 20:40:54,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 242 [2022-12-13 20:40:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:40:54,801 INFO L225 Difference]: With dead ends: 292440 [2022-12-13 20:40:54,802 INFO L226 Difference]: Without dead ends: 155098 [2022-12-13 20:40:55,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 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 20:40:55,118 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 6198 mSDsluCounter, 4669 mSDsCounter, 0 mSdLazyCounter, 17003 mSolverCounterSat, 3077 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6920 SdHoareTripleChecker+Valid, 6116 SdHoareTripleChecker+Invalid, 20082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3077 IncrementalHoareTripleChecker+Valid, 17003 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:40:55,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6920 Valid, 6116 Invalid, 20082 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3077 Valid, 17003 Invalid, 2 Unknown, 0 Unchecked, 24.5s Time] [2022-12-13 20:40:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155098 states. [2022-12-13 20:41:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155098 to 137360. [2022-12-13 20:41:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137360 states, 94081 states have (on average 1.3257299561016571) internal successors, (124726), 96059 states have internal predecessors, (124726), 32132 states have call successors, (32132), 9758 states have call predecessors, (32132), 11146 states have return successors, (37516), 33477 states have call predecessors, (37516), 32089 states have call successors, (37516) [2022-12-13 20:41:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137360 states to 137360 states and 194374 transitions. [2022-12-13 20:41:11,293 INFO L78 Accepts]: Start accepts. Automaton has 137360 states and 194374 transitions. Word has length 242 [2022-12-13 20:41:11,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:41:11,293 INFO L495 AbstractCegarLoop]: Abstraction has 137360 states and 194374 transitions. [2022-12-13 20:41:11,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 20:41:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 137360 states and 194374 transitions. [2022-12-13 20:41:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 20:41:11,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:41:11,305 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:41:11,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 20:41:11,306 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:41:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:41:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1443378174, now seen corresponding path program 1 times [2022-12-13 20:41:11,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:41:11,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995389121] [2022-12-13 20:41:11,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:41:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:41:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:41:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:41:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:41:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:41:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:41:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:41:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 20:41:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:41:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:41:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 20:41:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:41:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 20:41:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:41:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:41:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 20:41:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 20:41:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 20:41:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 20:41:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 20:41:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:41:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:41:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 20:41:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-12-13 20:41:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 20:41:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:41:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-12-13 20:41:11,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:41:11,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995389121] [2022-12-13 20:41:11,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995389121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:41:11,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:41:11,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 20:41:11,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936943499] [2022-12-13 20:41:11,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:41:11,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 20:41:11,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:41:11,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 20:41:11,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 20:41:11,794 INFO L87 Difference]: Start difference. First operand 137360 states and 194374 transitions. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 20:41:26,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:28,085 WARN L539 Checker$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 20:41:39,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:40,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:42,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:41:53,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:41:53,377 INFO L93 Difference]: Finished difference Result 249254 states and 356786 transitions. [2022-12-13 20:41:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 20:41:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 245 [2022-12-13 20:41:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:41:53,751 INFO L225 Difference]: With dead ends: 249254 [2022-12-13 20:41:53,751 INFO L226 Difference]: Without dead ends: 111900 [2022-12-13 20:41:54,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-12-13 20:41:54,041 INFO L413 NwaCegarLoop]: 1169 mSDtfsCounter, 9423 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 12477 mSolverCounterSat, 6017 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9478 SdHoareTripleChecker+Valid, 3723 SdHoareTripleChecker+Invalid, 18496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6017 IncrementalHoareTripleChecker+Valid, 12477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:41:54,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9478 Valid, 3723 Invalid, 18496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6017 Valid, 12477 Invalid, 2 Unknown, 0 Unchecked, 27.4s Time] [2022-12-13 20:41:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111900 states. [2022-12-13 20:42:05,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111900 to 101341. [2022-12-13 20:42:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101341 states, 69217 states have (on average 1.321120533972868) internal successors, (91444), 70733 states have internal predecessors, (91444), 23629 states have call successors, (23629), 7401 states have call predecessors, (23629), 8494 states have return successors, (27689), 24655 states have call predecessors, (27689), 23594 states have call successors, (27689) [2022-12-13 20:42:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101341 states to 101341 states and 142762 transitions. [2022-12-13 20:42:05,583 INFO L78 Accepts]: Start accepts. Automaton has 101341 states and 142762 transitions. Word has length 245 [2022-12-13 20:42:05,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:42:05,584 INFO L495 AbstractCegarLoop]: Abstraction has 101341 states and 142762 transitions. [2022-12-13 20:42:05,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 20:42:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 101341 states and 142762 transitions. [2022-12-13 20:42:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-13 20:42:05,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:42:05,593 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:42:05,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 20:42:05,593 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:42:05,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:42:05,594 INFO L85 PathProgramCache]: Analyzing trace with hash 590836242, now seen corresponding path program 1 times [2022-12-13 20:42:05,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:42:05,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52682977] [2022-12-13 20:42:05,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:42:05,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:42:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:42:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:42:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:42:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:42:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:42:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:42:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 20:42:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 20:42:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:42:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 20:42:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 20:42:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:42:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-12-13 20:42:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:42:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 20:42:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 20:42:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 20:42:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-12-13 20:42:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-12-13 20:42:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-12-13 20:42:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-12-13 20:42:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:42:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 20:42:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 20:42:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-12-13 20:42:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 20:42:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:42:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-12-13 20:42:06,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:42:06,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52682977] [2022-12-13 20:42:06,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52682977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:42:06,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:42:06,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 20:42:06,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042163241] [2022-12-13 20:42:06,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:42:06,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 20:42:06,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:42:06,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 20:42:06,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:42:06,115 INFO L87 Difference]: Start difference. First operand 101341 states and 142762 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:42:30,579 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 20:42:52,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:53,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:55,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:57,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:42:59,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 20:43:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,637 INFO L93 Difference]: Finished difference Result 231455 states and 330200 transitions. [2022-12-13 20:43:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 20:43:09,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2022-12-13 20:43:09,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:10,083 INFO L225 Difference]: With dead ends: 231455 [2022-12-13 20:43:10,083 INFO L226 Difference]: Without dead ends: 130140 [2022-12-13 20:43:10,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-12-13 20:43:10,315 INFO L413 NwaCegarLoop]: 1259 mSDtfsCounter, 6837 mSDsluCounter, 3956 mSDsCounter, 0 mSdLazyCounter, 25626 mSolverCounterSat, 3733 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7491 SdHoareTripleChecker+Valid, 5215 SdHoareTripleChecker+Invalid, 29360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3733 IncrementalHoareTripleChecker+Valid, 25626 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:10,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7491 Valid, 5215 Invalid, 29360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3733 Valid, 25626 Invalid, 1 Unknown, 0 Unchecked, 47.3s Time] [2022-12-13 20:43:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130140 states. [2022-12-13 20:43:23,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130140 to 116527. [2022-12-13 20:43:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116527 states, 79747 states have (on average 1.3203882277703236) internal successors, (105297), 81530 states have internal predecessors, (105297), 26820 states have call successors, (26820), 8874 states have call predecessors, (26820), 9959 states have return successors, (30860), 27799 states have call predecessors, (30860), 26777 states have call successors, (30860) [2022-12-13 20:43:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116527 states to 116527 states and 162977 transitions. [2022-12-13 20:43:23,990 INFO L78 Accepts]: Start accepts. Automaton has 116527 states and 162977 transitions. Word has length 242 [2022-12-13 20:43:23,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:23,991 INFO L495 AbstractCegarLoop]: Abstraction has 116527 states and 162977 transitions. [2022-12-13 20:43:23,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (24), 7 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 20:43:23,991 INFO L276 IsEmpty]: Start isEmpty. Operand 116527 states and 162977 transitions. [2022-12-13 20:43:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 20:43:24,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:24,004 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:24,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 20:43:24,004 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:24,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1781716755, now seen corresponding path program 1 times [2022-12-13 20:43:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:24,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249855597] [2022-12-13 20:43:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:43:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 20:43:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 20:43:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 20:43:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-12-13 20:43:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 20:43:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 20:43:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 20:43:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 20:43:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:43:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-12-13 20:43:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-12-13 20:43:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 20:43:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 20:43:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-12-13 20:43:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 20:43:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 20:43:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-12-13 20:43:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 20:43:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-12-13 20:43:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 20:43:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 20:43:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-12-13 20:43:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 20:43:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-12-13 20:43:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 20:43:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-12-13 20:43:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 20:43:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-12-13 20:43:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-12-13 20:43:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-13 20:43:25,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:25,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249855597] [2022-12-13 20:43:25,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249855597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:25,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:25,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 20:43:25,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563436331] [2022-12-13 20:43:25,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:25,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 20:43:25,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 20:43:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:43:25,025 INFO L87 Difference]: Start difference. First operand 116527 states and 162977 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 5 states have internal predecessors, (132), 4 states have call successors, (39), 8 states have call predecessors, (39), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-13 20:43:39,539 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 []